{
  "name": "HVAC refrigerant replacements: retrofit compatibility, safety class, GWP and lubricant",
  "description": "Which refrigerant substitutes for which in air conditioning, heat pump and refrigeration equipment, drawn from the EPA SNAP substitutes list, compressor-manufacturer bulletins (Copeland) and refrigerant-manufacturer replacement guides (Chemours, Honeywell, Arkema). Each record carries the ASHRAE safety classification, GWP, whether the substitute is approved for retrofit or new equipment only, and the compatible lubricant. Answers 'can I put R-454B in an R-410A system', 'what replaces R-22 without changing the oil', and 'is this substitute EPA-acceptable' \u2014 questions where the wrong answer damages equipment or breaks federal rules.",
  "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/",
  "licence": "Factual compilation with source citations. EPA SNAP substitute listings are US government work (public domain). Manufacturer figures (Copeland, Chemours, Honeywell, Trane, Arkema) are facts taken with short attributed quotes linking back to the published guide.",
  "last_verified": "2026-08-11",
  "stale_after": "2027-08-11",
  "sources": [
    "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
    "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
    "https://www.federalregister.gov/documents/2025/11/10/2025-19812/protection-of-stratospheric-ozone-listing-of-substitutes-under-the-significant-new-alternatives",
    "https://www.chemours.com/en/-/media/files/freon/opteon-freon-general-replacement-guide.pdf",
    "https://www.epa.gov/sites/default/files/documents/Choosing_Right_R22_Retrofit.pdf",
    "https://www.freon.com/en/-/media/files/freon/freon-mo99-faq.pdf",
    "https://forane.arkema.com/en/forane-refrigerants/forane-retrofits/the-drop-in-myth/",
    "https://prod-edam.honeywell.com/content/dam/honeywell-edam/pmt/oneam/en-us/refrigerants/documents/pmt-am-solstice-454b-applications-guide.pdf",
    "https://www.shareddocs.com/hvac/docs/1006/Public/06/570-178.pdf",
    "https://www.trane.com/content/dam/Trane/Commercial/global/products-systems/equipment/unitary/split-systems/rauj-cauj-20-to-120-tons/SS-APG018A-EN_11102024.pdf"
  ],
  "records": [
    {
      "refrigerant": "Ammonia Absorption",
      "retrofit_or_new": "N",
      "safety_class": "B2",
      "gwp": "0",
      "listing_status": "Acceptable",
      "id": "ammonia-absorption",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/ammonia-absorption/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "Ammonia Absorption | | N | 0 | 0 | B2 | <https://www.govinfo.gov/app/details/FR-1996-09-05/96-22649> September 5, 1996 | Acceptable |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class"
      ]
    },
    {
      "refrigerant": "CFC R-12",
      "gwp": "10900",
      "lubricant": "MIN",
      "listing_status": "Phased out in 1996",
      "id": "cfc-r-12",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/cfc-r-12/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "CFC R-12 10900 L,M MIN AB & MIN Phased out in 1996",
      "verified_fields": [
        "gwp",
        "listing_status",
        "lubricant",
        "refrigerant"
      ]
    },
    {
      "refrigerant": "CFC R-502",
      "gwp": "4657",
      "lubricant": "MIN",
      "listing_status": "Phased out in 1996",
      "id": "cfc-r-502",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/cfc-r-502/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "CFC R-502 4657 L,M MIN AB & MIN POE-32 Phased out in 1996",
      "verified_fields": [
        "gwp",
        "listing_status",
        "lubricant",
        "refrigerant"
      ]
    },
    {
      "refrigerant": "Desiccant Cooling",
      "retrofit_or_new": "N",
      "gwp": "N/A",
      "listing_status": "Acceptable",
      "id": "desiccant-cooling",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/desiccant-cooling/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "Desiccant Cooling | | N | 0 | N/A | N/A | <https://www.govinfo.gov/app/details/FR-1996-09-05/96-22649> September 5, 1996 ; <https://www.govinfo.gov/content/pkg/FR-2010-06-16/pdf/2010-14510.pdf> June 16, 2010 (pdf) (229 KB) | Acceptable |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new"
      ]
    },
    {
      "refrigerant": "Evaporative Cooling",
      "retrofit_or_new": "N",
      "gwp": "N/A",
      "listing_status": "Acceptable",
      "id": "evaporative-cooling",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/evaporative-cooling/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "Evaporative Cooling | | N | 0 | N/A | N/A | <https://www.govinfo.gov/app/details/FR-1996-09-05/96-22649> September 5, 1996 | Acceptable |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new"
      ]
    },
    {
      "refrigerant": "HCFC R-22",
      "gwp": "1810",
      "lubricant": "MIN",
      "listing_status": "No new equipment 2010**",
      "id": "hcfc-r-22",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/hcfc-r-22/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "HCFC R-22 1810 L,M,H MIN AB & MIN POE-32 No new equipment 2010**",
      "verified_fields": [
        "gwp",
        "listing_status",
        "lubricant",
        "refrigerant"
      ]
    },
    {
      "refrigerant": "HCR 4141",
      "listing_status": "acceptable, subject to use conditions",
      "id": "hcr-4141",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/hcr-4141/",
      "source": "https://www.federalregister.gov/documents/2025/11/10/2025-19812/protection-of-stratospheric-ozone-listing-of-substitutes-under-the-significant-new-alternatives",
      "source_quote": "The EPA is proposing to list HCR 4141, HFO-1234ze(E), and R-516A as acceptable, subject to use conditions, for this end-use. HCR 4141 is a higher flammability refrigerant blend with each component in the A3 Safety Group. HFO-1234ze(E) and R-516A are lower flammability refrigerants, both in the A2L Safety Group.",
      "verified_fields": [
        "listing_status",
        "refrigerant"
      ]
    },
    {
      "refrigerant": "HFC-134a",
      "retrofit_or_new": "R/N",
      "safety_class": "A1",
      "gwp": "1,430",
      "listing_status": "Acceptable",
      "id": "hfc-134a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/hfc-134a/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "HFC-134a | | R/N | 0 | 1,430 | A1 | <https://www.govinfo.gov/content/pkg/FR-2010-06-16/pdf/2010-14510.pdf> June 16, 2010 (pdf) (229 KB); <https://www.govinfo.gov/content/pkg/FR-2017-07-21/pdf/2017-15379.pdf> July 21, 2017 (pdf) (314 KB) | Acceptable |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class"
      ]
    },
    {
      "refrigerant": "HFC-32",
      "retrofit_or_new": "N",
      "safety_class": "A2L",
      "gwp": "675",
      "listing_status": "Acceptable with Use Conditions: See rules for detailed conditions.",
      "id": "hfc-32",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/hfc-32/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "HFC-32 | | N | 0 | 675 | A2L | <https://www.govinfo.gov/content/pkg/FR-2015-04-10/pdf/2015-07895.pdf> April 10, 2015 (pdf) (769 KB); <https://www.govinfo.gov/content/pkg/FR-2021-05-06/pdf/2021-08968.pdf> May 6, 2021 (pdf) (583 KB); <https://www.govinfo.gov/content/pkg/FR-2023-04-28/pdf/2023-08663.pdf> April 28, 2023 (pdf) (584 KB) | Acceptable with Use Conditions: See rules for detailed conditions. |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class"
      ],
      "disagreements": []
    },
    {
      "refrigerant": "HFC R-134a",
      "gwp": "1430",
      "id": "hfc-r-134a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/hfc-r-134a/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "HFC R-134a 1430 R-134a manufactured in India",
      "verified_fields": [
        "gwp",
        "refrigerant"
      ]
    },
    {
      "refrigerant": "HFO-1234yf",
      "safety_class": "A2L",
      "id": "hfo-1234yf",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/hfo-1234yf/",
      "source": "https://www.federalregister.gov/documents/2025/11/10/2025-19812/protection-of-stratospheric-ozone-listing-of-substitutes-under-the-significant-new-alternatives",
      "source_quote": "ASHRAE 34-2024 categorizes HFO-1234yf and R-444A as being in the A2L Safety Group and R-453A, R-456A, and R-480A in the A1 Safety Group.",
      "verified_fields": [
        "refrigerant",
        "safety_class"
      ],
      "also_reported": [
        {
          "field": "retrofit_or_new",
          "value": "retrofit",
          "source": "https://www.federalregister.gov/documents/2025/11/10/2025-19812/protection-of-stratospheric-ozone-listing-of-substitutes-under-the-significant-new-alternatives",
          "source_quote": "List HFO-1234yf as acceptable, subject to use conditions, in retrofit light- and medium-duty vehicle (LMDV) motor vehicle air conditioning (MVAC), in new MVACs on buses, and in new MVACs in heavy-duty on-highway (HDOH) vehicles;",
          "as_of": "2026-08-11"
        },
        {
          "field": "listing_status",
          "value": "acceptable, subject to use conditions",
          "source": "https://www.federalregister.gov/documents/2025/11/10/2025-19812/protection-of-stratospheric-ozone-listing-of-substitutes-under-the-significant-new-alternatives",
          "source_quote": "List HFO-1234yf as acceptable, subject to use conditions, in retrofit light- and medium-duty vehicle (LMDV) motor vehicle air conditioning (MVAC), in new MVACs on buses, and in new MVACs in heavy-duty on-highway (HDOH) vehicles;",
          "as_of": "2026-08-11"
        }
      ],
      "disagreements": []
    },
    {
      "refrigerant": "HFO-1234ze(E)",
      "safety_class": "A2L",
      "listing_status": "acceptable, subject to use conditions",
      "id": "hfo-1234ze-e",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/hfo-1234ze-e/",
      "source": "https://www.federalregister.gov/documents/2025/11/10/2025-19812/protection-of-stratospheric-ozone-listing-of-substitutes-under-the-significant-new-alternatives",
      "source_quote": "The EPA is proposing to list HCR 4141, HFO-1234ze(E), and R-516A as acceptable, subject to use conditions, for this end-use. HCR 4141 is a higher flammability refrigerant blend with each component in the A3 Safety Group. HFO-1234ze(E) and R-516A are lower flammability refrigerants, both in the A2L Safety Group.",
      "verified_fields": [
        "listing_status",
        "refrigerant",
        "safety_class"
      ]
    },
    {
      "refrigerant": "HCFC R-401A",
      "replaces": "R-12",
      "trade_name": "Freon\u2122 MP39",
      "gwp": "1182",
      "lubricant": "AB & MIN",
      "listing_status": "For service applications only",
      "id": "r-12-hcfc-r-401a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-12-hcfc-r-401a/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "HCFC R-401A 1182 R-12 M,H AB & MIN POE-32 & MIN POE-32 For service applications only, trade name: Freon\u2122 MP39",
      "verified_fields": [
        "gwp",
        "listing_status",
        "lubricant",
        "refrigerant",
        "replaces",
        "trade_name"
      ]
    },
    {
      "refrigerant": "HCFC R-401B",
      "replaces": "R-12",
      "trade_name": "Freon MP66",
      "gwp": "1288",
      "lubricant": "AB & MIN",
      "listing_status": "For service applications only",
      "id": "r-12-hcfc-r-401b",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-12-hcfc-r-401b/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "HCFC R-401B 1288 R-12 L,M AB & MIN POE-32 & MIN POE-32 For service applications only, trade name: Freon MP66",
      "verified_fields": [
        "gwp",
        "listing_status",
        "lubricant",
        "refrigerant",
        "replaces",
        "trade_name"
      ]
    },
    {
      "refrigerant": "HCFC R-409A",
      "replaces": "R-12",
      "trade_name": "FX56",
      "gwp": "1909",
      "lubricant": "AB & MIN",
      "listing_status": "For service applications only",
      "id": "r-12-hcfc-r-409a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-12-hcfc-r-409a/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "HCFC R-409A 1909 R-12 L,M AB & MIN POE-32 & MIN POE-32 For service applications only, trade name: FX56",
      "verified_fields": [
        "gwp",
        "listing_status",
        "lubricant",
        "refrigerant",
        "replaces",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-450A",
      "replaces": "R-12/R-134a",
      "trade_name": "Solstice N13",
      "gwp": "601",
      "lubricant": "POE-32",
      "listing_status": "Solstice N13 for refrigeration applications only",
      "id": "r-12-r-134a-r-450a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-12-r-134a-r-450a/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "R-12/R-134a M,H M,H POE-32 Solstice N13 for refrigeration applications only R-450A 601 R12 L,M L,M POE-22D Compressors produced in Brazil",
      "verified_fields": [
        "gwp",
        "listing_status",
        "lubricant",
        "refrigerant",
        "replaces",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-514A",
      "replaces": "R-123",
      "trade_name": "Opteon\u2122 XP30",
      "safety_class": "B1",
      "gwp": "7 (2)",
      "lubricant": "POE",
      "id": "r-123-r-514a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-123-r-514a/",
      "source": "https://www.chemours.com/en/-/media/files/freon/opteon-freon-general-replacement-guide.pdf",
      "source_quote": "R-123 Replacement Opteon\u2122 XP30 R-514A B1 7 (2) POE",
      "verified_fields": [
        "gwp",
        "lubricant",
        "refrigerant",
        "replaces",
        "safety_class",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-125/R-134a/R-600a (28.1/70.0/1.9)",
      "trade_name": "NU-22 old composition",
      "retrofit_or_new": "R/N",
      "safety_class": "A1",
      "gwp": "1,990",
      "listing_status": "Acceptable",
      "id": "r-125-r-134a-r-600a-28-1-70-0-1-9",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-125-r-134a-r-600a-28-1-70-0-1-9/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "R-125/R-134a/R-600a (28.1/70.0/1.9) | NU-22 old composition | R/N | 0 | 1,990 | A1 | <https://www.govinfo.gov/content/pkg/FR-2010-06-16/pdf/2010-14510.pdf> June 16, 2010 (pdf) (229 KB) | Acceptable |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-125/R-290/R-134a/R-600a (55.0/1.0/42.5/1.5)",
      "trade_name": "ICOR AT-22",
      "retrofit_or_new": "R/N",
      "safety_class": "A1",
      "gwp": "2,530",
      "listing_status": "Acceptable",
      "id": "r-125-r-290-r-134a-r-600a-55-0-1-0-42-5-1-5",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-125-r-290-r-134a-r-600a-55-0-1-0-42-5-1-5/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "R-125/R-290/R-134a/R-600a (55.0/1.0/42.5/1.5) | ICOR AT-22 | R/N | 0 | 2,530 | A1 | <https://www.govinfo.gov/content/pkg/FR-2006-03-29/pdf/06-3030.pdf> March 29, 2006 (pdf) (181 KB) | Acceptable |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-1270 (Propylene)",
      "retrofit_or_new": "N",
      "safety_class": "A3",
      "gwp": "1.8",
      "listing_status": "Unacceptable , as of January 3, 2017.",
      "id": "r-1270-propylene",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-1270-propylene/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "R-1270 (Propylene) | | N | 0 | 1.8 | A3 | <https://www.govinfo.gov/content/pkg/FR-2016-12-01/pdf/2016-25167.pdf> December 1, 2016 (pdf) (969 KB) | Unacceptable , as of January 3, 2017. |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class"
      ]
    },
    {
      "refrigerant": "R-1234yf",
      "replaces": "R-134a",
      "trade_name": "Opteon\u2122 XL10",
      "safety_class": "A2L",
      "gwp": "4 (1)",
      "id": "r-134a-r-1234yf",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-134a-r-1234yf/",
      "source": "https://www.chemours.com/en/-/media/files/freon/opteon-freon-general-replacement-guide.pdf",
      "source_quote": "Opteon\u2122 XP10 R-513A R-134a A1 631 (573) -21 Opteon\u2122 XL10 R-1234yf R-134a A2L 4 (1) -21",
      "verified_fields": [
        "gwp",
        "refrigerant",
        "replaces",
        "safety_class",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-513A",
      "replaces": "R-134a",
      "trade_name": "Opteon\u2122 XP10",
      "safety_class": "A1",
      "gwp": "631 (573)",
      "lubricant": "POE",
      "id": "r-134a-r-513a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-134a-r-513a/",
      "source": "https://www.chemours.com/en/-/media/files/freon/opteon-freon-general-replacement-guide.pdf",
      "source_quote": "R-134a Replacement for Lowest GWP retrofit refrigerant for R-134a designed systems. Opteon\u2122 XP10 R-513A A1 631 (573) POE Elastomeric seals replacement or lubricant change not required.",
      "verified_fields": [
        "gwp",
        "lubricant",
        "refrigerant",
        "replaces",
        "safety_class",
        "trade_name"
      ]
    },
    {
      "refrigerant": "HFC R-407A",
      "replaces": "R-22",
      "gwp": "2107",
      "lubricant": "POE-32",
      "id": "r-22-hfc-r-407a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-22-hfc-r-407a/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "HFC R-407A 2107 R-22 L,M L,M POE-32",
      "verified_fields": [
        "gwp",
        "lubricant",
        "refrigerant",
        "replaces"
      ]
    },
    {
      "refrigerant": "HFC R-407C",
      "replaces": "R-22",
      "trade_name": "Freon 9000/KLEA 66",
      "gwp": "1774",
      "lubricant": "POE-32",
      "id": "r-22-hfc-r-407c",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-22-hfc-r-407c/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "HFC R-407C 1774 R-22 L,M,H L,M,H POE-32 Freon 9000/KLEA 66",
      "verified_fields": [
        "gwp",
        "lubricant",
        "refrigerant",
        "replaces",
        "trade_name"
      ]
    },
    {
      "refrigerant": "HFC R-407F",
      "replaces": "R-22",
      "gwp": "1825",
      "lubricant": "POE-32",
      "listing_status": "Discus\u2122 and select refrigeration scroll models (ZF/ZB)",
      "id": "r-22-hfc-r-407f",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-22-hfc-r-407f/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "HFC R-407F 1825 R-22 L,M L,M POE-32 Discus\u2122 and select refrigeration scroll models (ZF/ZB)",
      "verified_fields": [
        "gwp",
        "listing_status",
        "lubricant",
        "refrigerant",
        "replaces"
      ]
    },
    {
      "refrigerant": "HFC R-422A",
      "replaces": "R-22",
      "gwp": "3143",
      "lubricant": "POE-32",
      "listing_status": "Discus supermarket racks only",
      "id": "r-22-hfc-r-422a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-22-hfc-r-422a/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "HFC R-422A 3143 R-22 L,M POE-32 MIN AB Discus supermarket racks only",
      "verified_fields": [
        "gwp",
        "listing_status",
        "lubricant",
        "refrigerant",
        "replaces"
      ]
    },
    {
      "refrigerant": "HFC R-422D",
      "replaces": "R-22",
      "gwp": "2729",
      "lubricant": "POE-32",
      "listing_status": "Discus supermarket racks only",
      "id": "r-22-hfc-r-422d",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-22-hfc-r-422d/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "HFC R-422D 2729 R-22 L,M POE-32 MIN AB Discus supermarket racks only",
      "verified_fields": [
        "gwp",
        "listing_status",
        "lubricant",
        "refrigerant",
        "replaces"
      ]
    },
    {
      "refrigerant": "HFC R-438A",
      "replaces": "R-22",
      "trade_name": "Freon MO99",
      "gwp": "2265",
      "lubricant": "POE-32",
      "listing_status": "Discus supermarket racks only",
      "id": "r-22-hfc-r-438a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-22-hfc-r-438a/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "HFC R-438A 2265 R-22 L,M POE-32 MIN AB Discus supermarket racks only; Freon MO99",
      "verified_fields": [
        "gwp",
        "listing_status",
        "lubricant",
        "refrigerant",
        "replaces",
        "trade_name"
      ]
    },
    {
      "refrigerant": "HFC-R427A",
      "replaces": "R-22",
      "gwp": "2138",
      "lubricant": "POE-32",
      "listing_status": "Discus supermarket racks only",
      "id": "r-22-hfc-r427a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-22-hfc-r427a/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "HFC-R427A 2138 R-22 L,M POE-32 Discus supermarket racks only",
      "verified_fields": [
        "gwp",
        "listing_status",
        "lubricant",
        "refrigerant",
        "replaces"
      ]
    },
    {
      "refrigerant": "R-404A",
      "replaces": "R-22",
      "id": "r-22-r-404a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-22-r-404a/",
      "source": "https://www.epa.gov/sites/default/files/documents/Choosing_Right_R22_Retrofit.pdf",
      "source_quote": "R-22 Retrofit Blends R-404A R-407A R-407C R-407F R-417A R-417B R-421A R-421B R-422A R-422B R-422C R-422D R-424A R-427A R-428A R-434A R-438A R-507A",
      "verified_fields": [
        "refrigerant",
        "replaces"
      ]
    },
    {
      "refrigerant": "R-407H",
      "replaces": "R-22/R-404A",
      "gwp": "1495",
      "lubricant": "POE-32",
      "listing_status": "Discus models and Copeland ZB and ZF scrolls for refrigerated rack retrofit",
      "id": "r-22-r-404a-r-407h",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-22-r-404a-r-407h/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "R-407H 1495 R-22/R-404A L,M POE-32 Discus models and Copeland ZB and ZF scrolls for refrigerated rack retrofit",
      "verified_fields": [
        "gwp",
        "listing_status",
        "lubricant",
        "refrigerant",
        "replaces"
      ]
    },
    {
      "refrigerant": "R-448A",
      "replaces": "R-22/R-404A",
      "trade_name": "Solstice\u2122 N40",
      "gwp": "1387",
      "lubricant": "POE-32",
      "id": "r-22-r-404a-r-448a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-22-r-404a-r-448a/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "R-22/R-404A L,M L,M POE-32 Solstice\u2122 N40 R-448A 1387",
      "verified_fields": [
        "gwp",
        "lubricant",
        "refrigerant",
        "replaces",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-449A",
      "replaces": "R-22/R-404A",
      "trade_name": "Opteon\u2122 XP40",
      "gwp": "1396",
      "lubricant": "POE-32",
      "id": "r-22-r-404a-r-449a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-22-r-404a-r-449a/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "R-22/R-404A L,M L,M POE-32 Opteon\u2122 XP40 R-449A 1396",
      "verified_fields": [
        "gwp",
        "lubricant",
        "refrigerant",
        "replaces",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-452A",
      "replaces": "R-22/R-404A",
      "trade_name": "OPTEON\u2122 XP44",
      "gwp": "2140",
      "lubricant": "POE-32",
      "listing_status": "OPTEON\u2122 XP44 for U.S. and European pre-approved applications only",
      "id": "r-22-r-404a-r-452a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-22-r-404a-r-452a/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "R-452A 2140 R-22/R-404A L,M L,M POE-32 OPTEON\u2122 XP44 for U.S. and European pre-approved applications only",
      "verified_fields": [
        "gwp",
        "listing_status",
        "lubricant",
        "refrigerant",
        "replaces",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-407A",
      "replaces": "R-22",
      "id": "r-22-r-407a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-22-r-407a/",
      "source": "https://www.epa.gov/sites/default/files/documents/Choosing_Right_R22_Retrofit.pdf",
      "source_quote": "R-22 Retrofit Blends R-404A R-407A R-407C R-407F R-417A R-417B R-421A R-421B R-422A R-422B R-422C R-422D R-424A R-427A R-428A R-434A R-438A R-507A",
      "verified_fields": [
        "refrigerant",
        "replaces"
      ]
    },
    {
      "refrigerant": "R-449A",
      "replaces": "R-22 , R-407A, R-407F",
      "trade_name": "Opteon\u2122 XP40",
      "safety_class": "A1",
      "gwp": "1397 (1282)",
      "lubricant": "POE",
      "id": "r-22-r-407a-r-407f-r-449a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-22-r-407a-r-407f-r-449a/",
      "source": "https://www.chemours.com/en/-/media/files/freon/opteon-freon-general-replacement-guide.pdf",
      "source_quote": "R-22 , R-407A, R-407F Opteon\u2122 XP40 R-449A A1 1397 (1282) POE Opteon\u2122 XP40 retrofits will require replacement of critical elastomeric",
      "verified_fields": [
        "gwp",
        "lubricant",
        "refrigerant",
        "replaces",
        "safety_class",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-407C",
      "replaces": "R-22",
      "trade_name": "Freon\u2122 407C",
      "safety_class": "A1",
      "gwp": "1774 (1624)",
      "lubricant": "POE",
      "id": "r-22-r-407c",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-22-r-407c/",
      "source": "https://www.chemours.com/en/-/media/files/freon/opteon-freon-general-replacement-guide.pdf",
      "source_quote": "R-22 Replacements for Great choice in systems where changing to POE oil is not practical, Freon\u2122 NU-22B\u2122 R-422B A1 2525 (2289) MO, AB, POE A/C, Heat Pumps elastomeric seals require replacement. Closest performance match to R-22 in A/C applications. Freon\u2122 407C R-407C A1 1774 (1624) POE Retrofits require a lubricant change to POE oil and replacement",
      "verified_fields": [
        "gwp",
        "lubricant",
        "refrigerant",
        "replaces",
        "safety_class",
        "trade_name"
      ],
      "disagreements": []
    },
    {
      "refrigerant": "R-407F",
      "replaces": "R-22",
      "id": "r-22-r-407f",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-22-r-407f/",
      "source": "https://www.epa.gov/sites/default/files/documents/Choosing_Right_R22_Retrofit.pdf",
      "source_quote": "R-22 Retrofit Blends R-404A R-407A R-407C R-407F R-417A R-417B R-421A R-421B R-422A R-422B R-422C R-422D R-424A R-427A R-428A R-434A R-438A R-507A",
      "verified_fields": [
        "refrigerant",
        "replaces"
      ]
    },
    {
      "refrigerant": "R-417A",
      "replaces": "R-22",
      "id": "r-22-r-417a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-22-r-417a/",
      "source": "https://www.epa.gov/sites/default/files/documents/Choosing_Right_R22_Retrofit.pdf",
      "source_quote": "R-22 Retrofit Blends R-404A R-407A R-407C R-407F R-417A R-417B R-421A R-421B R-422A R-422B R-422C R-422D R-424A R-427A R-428A R-434A R-438A R-507A",
      "verified_fields": [
        "refrigerant",
        "replaces"
      ]
    },
    {
      "refrigerant": "R-417B",
      "replaces": "R-22",
      "id": "r-22-r-417b",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-22-r-417b/",
      "source": "https://www.epa.gov/sites/default/files/documents/Choosing_Right_R22_Retrofit.pdf",
      "source_quote": "R-22 Retrofit Blends R-404A R-407A R-407C R-407F R-417A R-417B R-421A R-421B R-422A R-422B R-422C R-422D R-424A R-427A R-428A R-434A R-438A R-507A",
      "verified_fields": [
        "refrigerant",
        "replaces"
      ]
    },
    {
      "refrigerant": "R-421A",
      "replaces": "R-22",
      "id": "r-22-r-421a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-22-r-421a/",
      "source": "https://www.epa.gov/sites/default/files/documents/Choosing_Right_R22_Retrofit.pdf",
      "source_quote": "R-22 Retrofit Blends R-404A R-407A R-407C R-407F R-417A R-417B R-421A R-421B R-422A R-422B R-422C R-422D R-424A R-427A R-428A R-434A R-438A R-507A",
      "verified_fields": [
        "refrigerant",
        "replaces"
      ]
    },
    {
      "refrigerant": "R-421B",
      "replaces": "R-22",
      "id": "r-22-r-421b",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-22-r-421b/",
      "source": "https://www.epa.gov/sites/default/files/documents/Choosing_Right_R22_Retrofit.pdf",
      "source_quote": "R-22 Retrofit Blends R-404A R-407A R-407C R-407F R-417A R-417B R-421A R-421B R-422A R-422B R-422C R-422D R-424A R-427A R-428A R-434A R-438A R-507A",
      "verified_fields": [
        "refrigerant",
        "replaces"
      ]
    },
    {
      "refrigerant": "R-422A",
      "replaces": "R-22",
      "id": "r-22-r-422a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-22-r-422a/",
      "source": "https://www.epa.gov/sites/default/files/documents/Choosing_Right_R22_Retrofit.pdf",
      "source_quote": "R-22 Retrofit Blends R-404A R-407A R-407C R-407F R-417A R-417B R-421A R-421B R-422A R-422B R-422C R-422D R-424A R-427A R-428A R-434A R-438A R-507A",
      "verified_fields": [
        "refrigerant",
        "replaces"
      ]
    },
    {
      "refrigerant": "R-422B",
      "replaces": "R-22",
      "trade_name": "Freon\u2122 NU-22B\u2122",
      "safety_class": "A1",
      "gwp": "2525 (2289)",
      "lubricant": "MO, AB, POE",
      "id": "r-22-r-422b",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-22-r-422b/",
      "source": "https://www.chemours.com/en/-/media/files/freon/opteon-freon-general-replacement-guide.pdf",
      "source_quote": "R-22 Replacements for Great choice in systems where changing to POE oil is not practical, Freon\u2122 NU-22B\u2122 R-422B A1 2525 (2289) MO, AB, POE A/C, Heat Pumps elastomeric seals require replacement.",
      "verified_fields": [
        "gwp",
        "lubricant",
        "refrigerant",
        "replaces",
        "safety_class",
        "trade_name"
      ],
      "disagreements": []
    },
    {
      "refrigerant": "R-422C",
      "replaces": "R-22",
      "id": "r-22-r-422c",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-22-r-422c/",
      "source": "https://www.epa.gov/sites/default/files/documents/Choosing_Right_R22_Retrofit.pdf",
      "source_quote": "R-22 Retrofit Blends R-404A R-407A R-407C R-407F R-417A R-417B R-421A R-421B R-422A R-422B R-422C R-422D R-424A R-427A R-428A R-434A R-438A R-507A",
      "verified_fields": [
        "refrigerant",
        "replaces"
      ]
    },
    {
      "refrigerant": "R-422D",
      "replaces": "R-22",
      "id": "r-22-r-422d",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-22-r-422d/",
      "source": "https://www.epa.gov/sites/default/files/documents/Choosing_Right_R22_Retrofit.pdf",
      "source_quote": "R-22 Retrofit Blends R-404A R-407A R-407C R-407F R-417A R-417B R-421A R-421B R-422A R-422B R-422C R-422D R-424A R-427A R-428A R-434A R-438A R-507A",
      "verified_fields": [
        "refrigerant",
        "replaces"
      ]
    },
    {
      "refrigerant": "R-424A",
      "replaces": "R-22",
      "id": "r-22-r-424a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-22-r-424a/",
      "source": "https://www.epa.gov/sites/default/files/documents/Choosing_Right_R22_Retrofit.pdf",
      "source_quote": "R-22 Retrofit Blends R-404A R-407A R-407C R-407F R-417A R-417B R-421A R-421B R-422A R-422B R-422C R-422D R-424A R-427A R-428A R-434A R-438A R-507A",
      "verified_fields": [
        "refrigerant",
        "replaces"
      ]
    },
    {
      "refrigerant": "R-427A",
      "replaces": "R-22",
      "id": "r-22-r-427a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-22-r-427a/",
      "source": "https://www.epa.gov/sites/default/files/documents/Choosing_Right_R22_Retrofit.pdf",
      "source_quote": "R-22 Retrofit Blends R-404A R-407A R-407C R-407F R-417A R-417B R-421A R-421B R-422A R-422B R-422C R-422D R-424A R-427A R-428A R-434A R-438A R-507A",
      "verified_fields": [
        "refrigerant",
        "replaces"
      ]
    },
    {
      "refrigerant": "R-428A",
      "replaces": "R-22",
      "id": "r-22-r-428a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-22-r-428a/",
      "source": "https://www.epa.gov/sites/default/files/documents/Choosing_Right_R22_Retrofit.pdf",
      "source_quote": "R-22 Retrofit Blends R-404A R-407A R-407C R-407F R-417A R-417B R-421A R-421B R-422A R-422B R-422C R-422D R-424A R-427A R-428A R-434A R-438A R-507A",
      "verified_fields": [
        "refrigerant",
        "replaces"
      ]
    },
    {
      "refrigerant": "R-434A",
      "replaces": "R-22",
      "id": "r-22-r-434a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-22-r-434a/",
      "source": "https://www.epa.gov/sites/default/files/documents/Choosing_Right_R22_Retrofit.pdf",
      "source_quote": "R-22 Retrofit Blends R-404A R-407A R-407C R-407F R-417A R-417B R-421A R-421B R-422A R-422B R-422C R-422D R-424A R-427A R-428A R-434A R-438A R-507A",
      "verified_fields": [
        "refrigerant",
        "replaces"
      ]
    },
    {
      "refrigerant": "R-438A",
      "replaces": "R-22",
      "trade_name": "Freon\u2122 MO99\u2122",
      "safety_class": "A1",
      "gwp": "2264 (2059)",
      "lubricant": "MO, AB, POE",
      "id": "r-22-r-438a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-22-r-438a/",
      "source": "https://www.chemours.com/en/-/media/files/freon/opteon-freon-general-replacement-guide.pdf",
      "source_quote": "Freon\u2122 MO99\u2122 R-438A A1 2264 (2059) MO, AB, POE elastomeric seals require replacement. R-22 Replacements for Great choice in systems where changing to POE oil is not practical,",
      "verified_fields": [
        "gwp",
        "lubricant",
        "refrigerant",
        "replaces",
        "safety_class",
        "trade_name"
      ],
      "disagreements": [
        {
          "field": "trade_name",
          "versions": [
            {
              "value": "Freon\u2122 MO99\u2122",
              "source": "https://www.chemours.com/en/-/media/files/freon/opteon-freon-general-replacement-guide.pdf",
              "source_quote": "Freon\u2122 MO99\u2122 R-438A A1 2264 (2059) MO, AB, POE elastomeric seals require replacement. R-22 Replacements for Great choice in systems where changing to POE oil is not practical,",
              "as_of": "2026-08-11"
            },
            {
              "value": "Freon\u2122 MO99",
              "source": "https://www.freon.com/en/-/media/files/freon/freon-mo99-faq.pdf",
              "source_quote": "Freon\u2122 MO99 (R-438A) is the best overall all performance when using R-407C? match (energy efficiency, capacity, operating pressures, and If R-407C is used without a full oil change to POE, there is mass flow rates) to R-22 in air conditioning applications.",
              "as_of": "2026-08-11"
            }
          ]
        }
      ]
    },
    {
      "refrigerant": "R-507A",
      "replaces": "R-22",
      "id": "r-22-r-507a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-22-r-507a/",
      "source": "https://www.epa.gov/sites/default/files/documents/Choosing_Right_R22_Retrofit.pdf",
      "source_quote": "R-22 Retrofit Blends R-404A R-407A R-407C R-407F R-417A R-417B R-421A R-421B R-422A R-422B R-422C R-422D R-424A R-427A R-428A R-434A R-438A R-507A",
      "verified_fields": [
        "refrigerant",
        "replaces"
      ]
    },
    {
      "refrigerant": "R427A",
      "replaces": "R-22",
      "id": "r-22-r427a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-22-r427a/",
      "source": "https://forane.arkema.com/en/forane-refrigerants/forane-retrofits/the-drop-in-myth/",
      "source_quote": "Arkema recommends using Forane&reg; 427A (R427A) - The EASY RETROFIT&trade; for your R-22 retrofit solution.",
      "verified_fields": [
        "refrigerant",
        "replaces"
      ]
    },
    {
      "refrigerant": "R-290",
      "safety_class": "A3",
      "id": "r-290",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-290/",
      "source": "https://www.federalregister.gov/documents/2025/11/10/2025-19812/protection-of-stratospheric-ozone-listing-of-substitutes-under-the-significant-new-alternatives",
      "source_quote": "Using these safety groups, HFO-1234ze(E), HFC-32 and the refrigerant blends R-452B, R-454A, R-454B, R-454C, R-457A, and R-516A are in the A2L Safety Group, while R-290, R-441A, and the components of HCR 4141 are in the A3 Safety Group.",
      "verified_fields": [
        "refrigerant",
        "safety_class"
      ]
    },
    {
      "refrigerant": "R-290 (Propane)",
      "retrofit_or_new": "N",
      "safety_class": "A3",
      "gwp": "3",
      "listing_status": "Acceptable with Use Conditions : For use in self-contained room air conditioning; see rule for detailed conditions.",
      "id": "r-290-propane",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-290-propane/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "R-290 (Propane) | | N | 0 | 3 | A3 | <https://www.govinfo.gov/content/pkg/FR-2015-04-10/pdf/2015-07895.pdf> April 10, 2015 (pdf) (769 KB) | Acceptable with Use Conditions : For use in self-contained room air conditioning; see rule for detailed conditions. |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class"
      ]
    },
    {
      "refrigerant": "R-290 propane",
      "safety_class": "A3",
      "gwp": "3",
      "lubricant": "POE-32",
      "listing_status": "For use with specific Copeland compressors manufactured in India for R-290",
      "id": "r-290-propane-2",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-290-propane-2/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "R-290 propane A3 3 POE-32 For use with specific Copeland compressors manufactured in India for R-290",
      "verified_fields": [
        "gwp",
        "listing_status",
        "lubricant",
        "refrigerant",
        "safety_class"
      ]
    },
    {
      "refrigerant": "R-404A",
      "trade_name": "SUVA HP-62",
      "retrofit_or_new": "R/N",
      "safety_class": "A1",
      "gwp": "3,920",
      "listing_status": "Acceptable",
      "id": "r-404a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-404a/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "R-404A | SUVA HP-62 | R/N | 0 | 3,920 | A1 | <https://www.govinfo.gov/content/pkg/FR-2002-12-20/pdf/02-32130.pdf> December 20, 2002 (pdf) (168 KB) | Acceptable |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-454A",
      "replaces": "R-404A",
      "trade_name": "Opteon\u2122 XL40",
      "safety_class": "A2L",
      "gwp": "239 (238)",
      "id": "r-404a-r-454a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-404a-r-454a/",
      "source": "https://www.chemours.com/en/-/media/files/freon/opteon-freon-general-replacement-guide.pdf",
      "source_quote": "Opteon\u2122 XL40 R-454A R-404A A2L 239 (238) -54 Freon\u2122 410A R-410A N/A A1 2088 (1924) -61",
      "verified_fields": [
        "gwp",
        "refrigerant",
        "replaces",
        "safety_class",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-449A",
      "replaces": "R-404A, R-507",
      "trade_name": "Opteon\u2122 XP40",
      "safety_class": "A1",
      "gwp": "1397 (1282)",
      "lubricant": "POE",
      "id": "r-404a-r-507-r-449a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-404a-r-507-r-449a/",
      "source": "https://www.chemours.com/en/-/media/files/freon/opteon-freon-general-replacement-guide.pdf",
      "source_quote": "Opteon\u2122 XP40 R-449A A1 1397 (1282) POE TXVs and in most cases it is suggested to replace the R-404A power element to a R-449A power element. Consult compressor manufacturer R-404A, R-507 guidelines for necessity of demand cooling in low temperature",
      "verified_fields": [
        "gwp",
        "lubricant",
        "refrigerant",
        "replaces",
        "safety_class",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-452A",
      "replaces": "R-404A, R-507",
      "trade_name": "Opteon\u2122 XP44",
      "safety_class": "A1",
      "gwp": "2140 (1945)",
      "lubricant": "POE",
      "id": "r-404a-r-507-r-452a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-404a-r-507-r-452a/",
      "source": "https://www.chemours.com/en/-/media/files/freon/opteon-freon-general-replacement-guide.pdf",
      "source_quote": "R-404A, R-507 guidelines for necessity of demand cooling in low temperature applications. Replacements Discharge temperature and mass flow match to R-404A/R-507. Best Opteon\u2122 XP44 R-452A A1 2140 (1945) POE used in situations where liquid injection cannot be installed on the low",
      "verified_fields": [
        "gwp",
        "lubricant",
        "refrigerant",
        "replaces",
        "safety_class",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-407A",
      "trade_name": "Klea 60, Klea 407A",
      "retrofit_or_new": "R/N",
      "safety_class": "A1",
      "gwp": "2,110",
      "listing_status": "Acceptable",
      "id": "r-407a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-407a/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "R-407A | Klea 60, Klea 407A | R/N | 0 | 2,110 | A1 | <https://www.govinfo.gov/content/pkg/FR-2009-01-02/pdf/E8-31225.pdf> January 2, 2009 (pdf) (173 KB) | Acceptable |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-454C",
      "replaces": "R-407A",
      "trade_name": "Opteon\u2122 XL20",
      "safety_class": "A2L",
      "gwp": "148 (146)",
      "id": "r-407a-r-454c",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-407a-r-454c/",
      "source": "https://www.chemours.com/en/-/media/files/freon/opteon-freon-general-replacement-guide.pdf",
      "source_quote": "Opteon\u2122 XL20 R-454C R-407A A2L 148 (146) -50 Opteon\u2122 XL41 R-454B R-410A A2L 466 (467) -51",
      "verified_fields": [
        "gwp",
        "refrigerant",
        "replaces",
        "safety_class",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-407C",
      "trade_name": "Suva 407C, Klea 407C",
      "retrofit_or_new": "R/N",
      "safety_class": "A1",
      "gwp": "1,770",
      "listing_status": "Acceptable",
      "id": "r-407c",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-407c/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "R-407C | Suva 407C, Klea 407C | R/N | 0 | 1,770 | A1 | <https://www.govinfo.gov/content/pkg/FR-1996-02-08/pdf/96-2723.pdf> February 8, 1996 (pdf) (152 KB); <https://www.govinfo.gov/content/pkg/FR-2002-12-20/pdf/02-32130.pdf> December 20, 2002 (pdf) (168 KB); <https://www.govinfo.gov/content/pkg/FR-2003-08-21/pdf/03-21425.pdf> August 21, 2003 (pdf) (161 KB) | Acceptable |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-454C",
      "replaces": "R-407C",
      "trade_name": "Opteon\u2122 XL20",
      "safety_class": "A2L",
      "gwp": "148 (146)",
      "id": "r-407c-r-454c",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-407c-r-454c/",
      "source": "https://www.chemours.com/en/-/media/files/freon/opteon-freon-general-replacement-guide.pdf",
      "source_quote": "Opteon\u2122 XL10 R-1234yf R-134a A2L 4 (1) -21 Opteon\u2122 XL20 R-454C R-407C A2L 148 (146) -50",
      "verified_fields": [
        "gwp",
        "refrigerant",
        "replaces",
        "safety_class",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-407F",
      "trade_name": "Genetron Performax LT",
      "retrofit_or_new": "R/N",
      "safety_class": "A1",
      "gwp": "1,820",
      "listing_status": "Acceptable",
      "id": "r-407f",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-407f/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "R-407F | Genetron Performax LT | R/N | 0 | 1,820 | A1 | <https://www.govinfo.gov/content/pkg/FR-2011-10-04/pdf/2011-25391.pdf> October 4, 2011 (pdf) (201 KB) | Acceptable |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-410A",
      "trade_name": "AZ-20, Suva 9100, Puron",
      "retrofit_or_new": "N",
      "safety_class": "A1",
      "gwp": "2,090",
      "listing_status": "Acceptable",
      "id": "r-410a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-410a/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "R-410A | AZ-20, Suva 9100, Puron | N | 0 | 2,090 | A1 | <https://www.govinfo.gov/content/pkg/FR-1996-02-08/pdf/96-2723.pdf> February 8, 1996 (pdf) (152 KB); <https://www.govinfo.gov/content/pkg/FR-2002-12-20/pdf/02-32130.pdf> December 20, 2002 (pdf) (168 KB) | Acceptable |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-454B",
      "replaces": "R-410A",
      "trade_name": "Opteon\u2122 XL41",
      "safety_class": "A2L",
      "gwp": "466 (467)",
      "id": "r-410a-r-454b",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-410a-r-454b/",
      "source": "https://www.chemours.com/en/-/media/files/freon/opteon-freon-general-replacement-guide.pdf",
      "source_quote": "Opteon\u2122 XL20 R-454C R-407A A2L 148 (146) -50 Opteon\u2122 XL41 R-454B R-410A A2L 466 (467) -51",
      "verified_fields": [
        "gwp",
        "refrigerant",
        "replaces",
        "safety_class",
        "trade_name"
      ],
      "also_reported": [
        {
          "field": "lubricant",
          "value": "POE oil",
          "source": "https://prod-edam.honeywell.com/content/dam/honeywell-edam/pmt/oneam/en-us/refrigerants/documents/pmt-am-solstice-454b-applications-guide.pdf",
          "source_quote": "R-454B is now a primary replacement for R-410A. Due to \u2022 \u0007Liquid drain line velocity kept below 100fpm this, compressors are\u2014and will continue to be\u2014available. The \u2022 \u0007All sizes indicate outside dimensions type K or L copper tubing components in R-454B (R-32 / R-1234yf) are well-known \u2022 \u0007Equivalent length should include equivalent length for fittings. Refer to fluids and should pose no complications for compressor ASHRAE guidelines. manufacturers. R-454B generally uses POE oil.",
          "as_of": "2026-08-11"
        }
      ],
      "disagreements": []
    },
    {
      "refrigerant": "R-410B",
      "retrofit_or_new": "N",
      "safety_class": "A1",
      "gwp": "2,230",
      "listing_status": "Acceptable",
      "id": "r-410b",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-410b/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "R-410B | | N | 0 | 2,230 | A1 | <https://www.govinfo.gov/content/pkg/FR-1996-02-08/pdf/96-2723.pdf> February 8, 1996 (pdf) (152 KB) | Acceptable |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class"
      ]
    },
    {
      "refrigerant": "R-417A",
      "trade_name": "ISCEON 59, NU-22",
      "retrofit_or_new": "R/N",
      "safety_class": "A1",
      "gwp": "2,350",
      "listing_status": "Acceptable",
      "id": "r-417a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-417a/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "R-417A | ISCEON 59, NU-22 | R/N | 0 | 2,350 | A1 | <https://www.govinfo.gov/content/pkg/FR-1999-12-06/pdf/99-31544.pdf> December 6, 1999 (pdf) (226 KB); <https://www.govinfo.gov/content/pkg/FR-2010-06-16/pdf/2010-14510.pdf> June 16, 2010 (pdf) (229 KB) | Acceptable |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-417C",
      "trade_name": "Hot Shot 2",
      "retrofit_or_new": "R",
      "safety_class": "A1",
      "gwp": "1,820",
      "listing_status": "Acceptable",
      "id": "r-417c",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-417c/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "R-417C | Hot Shot 2 | R | 0 | 1,820 | A1 | <https://www.govinfo.gov/content/pkg/FR-2011-10-04/pdf/2011-25391.pdf> October 4, 2011 (pdf) (201 KB) | Acceptable |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-421A",
      "trade_name": "Choice R-421A",
      "retrofit_or_new": "R/N",
      "safety_class": "A1",
      "gwp": "2,630",
      "listing_status": "Acceptable",
      "id": "r-421a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-421a/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "R-421A | Choice R-421A | R/N | 0 | 2,630 | A1 | <https://www.govinfo.gov/content/pkg/FR-2006-09-28/pdf/E6-15833.pdf> September 28, 2006 (pdf) (183 KB) | Acceptable |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-422B",
      "trade_name": "ICOR XAC1, NU-22B",
      "retrofit_or_new": "R/N",
      "safety_class": "A1",
      "gwp": "2,530",
      "listing_status": "Acceptable",
      "id": "r-422b",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-422b/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "R-422B | ICOR XAC1, NU-22B | R/N | 0 | 2,530 | A1 | <https://www.govinfo.gov/content/pkg/FR-2006-03-29/pdf/06-3030.pdf> March 29, 2006 (pdf) (181 KB) | Acceptable |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-422C",
      "trade_name": "ICOR XLT1",
      "retrofit_or_new": "R/N",
      "safety_class": "A1",
      "gwp": "3,390",
      "listing_status": "Acceptable",
      "id": "r-422c",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-422c/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "R-422C | ICOR XLT1 | R/N | 0 | 3,390 | A1 | <https://www.govinfo.gov/content/pkg/FR-2006-03-29/pdf/06-3030.pdf> March 29, 2006 (pdf) (181 KB) | Acceptable |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-422D",
      "trade_name": "ISCEON MO29",
      "retrofit_or_new": "R/N",
      "safety_class": "A1",
      "gwp": "2,730",
      "listing_status": "Acceptable",
      "id": "r-422d",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-422d/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "R-422D | ISCEON MO29 | R/N | 0 | 2,730 | A1 | <https://www.govinfo.gov/content/pkg/FR-2006-09-28/pdf/E6-15833.pdf> September 28, 2006 (pdf) (183 KB) | Acceptable |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-424A",
      "trade_name": "RS-44",
      "retrofit_or_new": "R/N",
      "safety_class": "A1",
      "gwp": "2,440",
      "listing_status": "Acceptable",
      "id": "r-424a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-424a/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "R-424A | RS-44 | R/N | 0 | 2,440 | A1 | <https://www.govinfo.gov/content/pkg/FR-2006-09-28/pdf/E6-15833.pdf> September 28, 2006 (pdf) (183 KB) | Acceptable |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-427A",
      "trade_name": "Forane 427A",
      "retrofit_or_new": "R",
      "safety_class": "A1",
      "gwp": "2,140",
      "listing_status": "Acceptable",
      "id": "r-427a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-427a/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "R-427A | Forane 427A | R | 0 | 2,140 | A1 | <https://www.govinfo.gov/content/pkg/FR-2009-01-02/pdf/E8-31225.pdf> January 2, 2009 (pdf) (173 KB) | Acceptable |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-434A",
      "trade_name": "RS-45",
      "retrofit_or_new": "R/N",
      "safety_class": "A1",
      "gwp": "3,250",
      "listing_status": "Acceptable",
      "id": "r-434a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-434a/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "R-434A | RS-45 | R/N | 0 | 3,250 | A1 | <https://www.govinfo.gov/content/pkg/FR-2007-10-04/pdf/E7-19545.pdf> October 4, 2007 (pdf) (163 KB) | Acceptable |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-437A",
      "trade_name": "KDD6, ISCEON MO49 Plus",
      "retrofit_or_new": "R/N",
      "safety_class": "A1",
      "gwp": "1,810",
      "listing_status": "Acceptable",
      "id": "r-437a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-437a/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "R-437A | KDD6, ISCEON MO49 Plus | R/N | 0 | 1,810 | A1 | <https://www.govinfo.gov/content/pkg/FR-2009-01-02/pdf/E8-31225.pdf> January 2, 2009 (pdf) (173 KB); <https://www.govinfo.gov/content/pkg/FR-2010-06-16/pdf/2010-14510.pdf> June 16, 2010 (pdf) (229 KB) | Acceptable |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-438A",
      "trade_name": "KDD5, ISCEON MO99",
      "retrofit_or_new": "R/N",
      "safety_class": "A1",
      "gwp": "2,270",
      "listing_status": "Acceptable",
      "id": "r-438a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-438a/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "R-438A | KDD5, ISCEON MO99 | R/N | 0 | 2,270 | A1 | <https://www.govinfo.gov/content/pkg/FR-2007-10-04/pdf/E7-19545.pdf> October 4, 2007 (pdf) (163 KB); <https://www.govinfo.gov/content/pkg/FR-2010-06-16/pdf/2010-14510.pdf> June 16, 2010 (pdf) (229 KB) | Acceptable |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-441A",
      "retrofit_or_new": "N",
      "safety_class": "A3",
      "gwp": "<5",
      "listing_status": "Acceptable with Use Conditions : For use in self-contained room air conditioning; see rule for detailed conditions.",
      "id": "r-441a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-441a/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "R-441A | | N | 0 | <5 | A3 | <https://www.govinfo.gov/content/pkg/FR-2015-04-10/pdf/2015-07895.pdf> April 10, 2015 (pdf) (769 KB) | Acceptable with Use Conditions : For use in self-contained room air conditioning; see rule for detailed conditions. |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class"
      ],
      "disagreements": []
    },
    {
      "refrigerant": "R-443A",
      "retrofit_or_new": "N",
      "safety_class": "A3",
      "gwp": "2.5",
      "listing_status": "Unacceptable , as of January 3, 2017.",
      "id": "r-443a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-443a/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "R-443A | | N | 0 | 2.5 | A3 | <https://www.govinfo.gov/content/pkg/FR-2016-12-01/pdf/2016-25167.pdf> December 1, 2016 (pdf) (969 KB) | Unacceptable , as of January 3, 2017. |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class"
      ]
    },
    {
      "refrigerant": "R-444A",
      "safety_class": "A2L",
      "id": "r-444a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-444a/",
      "source": "https://www.federalregister.gov/documents/2025/11/10/2025-19812/protection-of-stratospheric-ozone-listing-of-substitutes-under-the-significant-new-alternatives",
      "source_quote": "ASHRAE 34-2024 categorizes HFO-1234yf and R-444A as being in the A2L Safety Group and R-453A, R-456A, and R-480A in the A1 Safety Group.",
      "verified_fields": [
        "refrigerant",
        "safety_class"
      ],
      "also_reported": [
        {
          "field": "retrofit_or_new",
          "value": "retrofit",
          "source": "https://www.federalregister.gov/documents/2025/11/10/2025-19812/protection-of-stratospheric-ozone-listing-of-substitutes-under-the-significant-new-alternatives",
          "source_quote": "List the blend R-444A as acceptable, subject to use conditions, in retrofit LMDV MVACs and retrofit heavy-duty (HD) pickup trucks and van MVACs (complete and incomplete);",
          "as_of": "2026-08-11"
        },
        {
          "field": "listing_status",
          "value": "acceptable, subject to use conditions",
          "source": "https://www.federalregister.gov/documents/2025/11/10/2025-19812/protection-of-stratospheric-ozone-listing-of-substitutes-under-the-significant-new-alternatives",
          "source_quote": "List the blend R-444A as acceptable, subject to use conditions, in retrofit LMDV MVACs and retrofit heavy-duty (HD) pickup trucks and van MVACs (complete and incomplete);",
          "as_of": "2026-08-11"
        }
      ],
      "disagreements": []
    },
    {
      "refrigerant": "R-452B",
      "trade_name": "Opteon\u2122 XL55",
      "retrofit_or_new": "N",
      "safety_class": "A2L",
      "gwp": "700",
      "listing_status": "Acceptable with Use Conditions: See rule for detailed conditions.",
      "id": "r-452b",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-452b/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "R-452B | Opteon\u2122 XL55 | N | 0 | 700 | A2L | <https://www.govinfo.gov/content/pkg/FR-2021-05-06/pdf/2021-08968.pdf> May 6, 2021 (pdf) (583 KB) | Acceptable with Use Conditions: See rule for detailed conditions. |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class",
        "trade_name"
      ],
      "disagreements": []
    },
    {
      "refrigerant": "R-453A",
      "safety_class": "A1",
      "id": "r-453a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-453a/",
      "source": "https://www.federalregister.gov/documents/2025/11/10/2025-19812/protection-of-stratospheric-ozone-listing-of-substitutes-under-the-significant-new-alternatives",
      "source_quote": "ASHRAE 34-2024 categorizes HFO-1234yf and R-444A as being in the A2L Safety Group and R-453A, R-456A, and R-480A in the A1 Safety Group.",
      "verified_fields": [
        "refrigerant",
        "safety_class"
      ],
      "also_reported": [
        {
          "field": "retrofit_or_new",
          "value": "retrofit",
          "source": "https://www.federalregister.gov/documents/2025/11/10/2025-19812/protection-of-stratospheric-ozone-listing-of-substitutes-under-the-significant-new-alternatives",
          "source_quote": "List the blend R-453A as acceptable, subject to use conditions, in retrofit MVACs on buses and trains; and",
          "as_of": "2026-08-11"
        },
        {
          "field": "listing_status",
          "value": "acceptable, subject to use conditions",
          "source": "https://www.federalregister.gov/documents/2025/11/10/2025-19812/protection-of-stratospheric-ozone-listing-of-substitutes-under-the-significant-new-alternatives",
          "source_quote": "List the blend R-453A as acceptable, subject to use conditions, in retrofit MVACs on buses and trains; and",
          "as_of": "2026-08-11"
        }
      ],
      "disagreements": []
    },
    {
      "refrigerant": "R-454A",
      "trade_name": "Opteon\u2122 XL40",
      "retrofit_or_new": "N",
      "safety_class": "A2L",
      "gwp": "240",
      "listing_status": "Acceptable with Use Conditions: See rule for detailed conditions.",
      "id": "r-454a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-454a/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "R-454A | Opteon\u2122 XL40 | N | 0 | 240 | A2L | <https://www.govinfo.gov/content/pkg/FR-2021-05-06/pdf/2021-08968.pdf> May 6, 2021 (pdf) (583 KB) | Acceptable with Use Conditions: See rule for detailed conditions. |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class",
        "trade_name"
      ],
      "disagreements": []
    },
    {
      "refrigerant": "R-454B",
      "trade_name": "Opteon\u2122 XL41",
      "retrofit_or_new": "N",
      "safety_class": "A2L",
      "gwp": "470",
      "listing_status": "Acceptable with Use Conditions: See rule for detailed conditions.",
      "id": "r-454b",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-454b/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "R-454B | Opteon\u2122 XL41 | N | 0 | 470 | A2L | <https://www.govinfo.gov/content/pkg/FR-2021-05-06/pdf/2021-08968.pdf> May 6, 2021 (pdf) (583 KB) | Acceptable with Use Conditions: See rule for detailed conditions. |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class",
        "trade_name"
      ],
      "also_reported": [
        {
          "field": "lubricant",
          "value": "POE oil",
          "source": "https://www.trane.com/content/dam/Trane/Commercial/global/products-systems/equipment/unitary/split-systems/rauj-cauj-20-to-120-tons/SS-APG018A-EN_11102024.pdf",
          "source_quote": "than R-454B will need to be upgraded. As of this document, current building codes and EPA regulations do not permit mixing and matching any components designed for an A1 refrigerant, such as R-410A with any components designed for an A2L refrigerant such as R-454B. This includes air handling unit components. Should the installer replace any A1 system with one containing A2Ls, the installer must also confirm that all connected refrigerant piping and and refrigerant specialties are also certified and listed for use with the specific A2L refrigerant. Failure to do so will create a hazardous and unsafe condition. Every part of an existing split system needs to be analyzed to determine if it can be reused in an R-454B and POE oil system:",
          "as_of": "2026-08-11"
        }
      ],
      "disagreements": [
        {
          "field": "trade_name",
          "versions": [
            {
              "value": "Opteon\u2122 XL41",
              "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
              "source_quote": "R-454B | Opteon\u2122 XL41 | N | 0 | 470 | A2L | <https://www.govinfo.gov/content/pkg/FR-2021-05-06/pdf/2021-08968.pdf> May 6, 2021 (pdf) (583 KB) | Acceptable with Use Conditions: See rule for detailed conditions. |",
              "as_of": "2026-08-11"
            },
            {
              "value": "Solstice\u00ae 454B",
              "source": "https://prod-edam.honeywell.com/content/dam/honeywell-edam/pmt/oneam/en-us/refrigerants/documents/pmt-am-solstice-454b-applications-guide.pdf",
              "source_quote": "Solstice\u00ae 454B (R-454B) is a mildly flammable (A2L) stricter A2 usage requirements. refrigerant having a boiling point of -58.1o F (average of dew and bubble) at 0 psig. R-454B will primarily be used for air Within ASHRAE there are many ways in which an A2L conditioning and reversible heating systems, especially in refrigerant such as R-454B can be utilized. A few are residential and light commercial applications. highlighted below (see ASHRAE 15 for full details): The environmental properties of Solstice\u00ae 454B (R-454B) \u2022 Self-contained commercial occupancy, refrigerant include a zero Ozone Depletion Potential (ODP) and a GWP of charge < 22lb 467 (AR5).",
              "as_of": "2026-08-11"
            }
          ]
        },
        {
          "field": "gwp",
          "versions": [
            {
              "value": "470",
              "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
              "source_quote": "R-454B | Opteon\u2122 XL41 | N | 0 | 470 | A2L | <https://www.govinfo.gov/content/pkg/FR-2021-05-06/pdf/2021-08968.pdf> May 6, 2021 (pdf) (583 KB) | Acceptable with Use Conditions: See rule for detailed conditions. |",
              "as_of": "2026-08-11"
            },
            {
              "value": "467 (AR5)",
              "source": "https://prod-edam.honeywell.com/content/dam/honeywell-edam/pmt/oneam/en-us/refrigerants/documents/pmt-am-solstice-454b-applications-guide.pdf",
              "source_quote": "Solstice\u00ae 454B (R-454B) is a mildly flammable (A2L) stricter A2 usage requirements. refrigerant having a boiling point of -58.1o F (average of dew and bubble) at 0 psig. R-454B will primarily be used for air Within ASHRAE there are many ways in which an A2L conditioning and reversible heating systems, especially in refrigerant such as R-454B can be utilized. A few are residential and light commercial applications. highlighted below (see ASHRAE 15 for full details): The environmental properties of Solstice\u00ae 454B (R-454B) \u2022 Self-contained commercial occupancy, refrigerant include a zero Ozone Depletion Potential (ODP) and a GWP of charge < 22lb 467 (AR5).",
              "as_of": "2026-08-11"
            }
          ]
        },
        {
          "field": "listing_status",
          "versions": [
            {
              "value": "Acceptable with Use Conditions: See rule for detailed conditions.",
              "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
              "source_quote": "R-454B | Opteon\u2122 XL41 | N | 0 | 470 | A2L | <https://www.govinfo.gov/content/pkg/FR-2021-05-06/pdf/2021-08968.pdf> May 6, 2021 (pdf) (583 KB) | Acceptable with Use Conditions: See rule for detailed conditions. |",
              "as_of": "2026-08-11"
            },
            {
              "value": "do not permit mixing and matching any components designed for an A1 refrigerant",
              "source": "https://www.trane.com/content/dam/Trane/Commercial/global/products-systems/equipment/unitary/split-systems/rauj-cauj-20-to-120-tons/SS-APG018A-EN_11102024.pdf",
              "source_quote": "than R-454B will need to be upgraded. As of this document, current building codes and EPA regulations do not permit mixing and matching any components designed for an A1 refrigerant, such as R-410A with any components designed for an A2L refrigerant such as R-454B. This includes air handling unit components. Should the installer replace any A1 system with one containing A2Ls, the installer must also confirm that all connected refrigerant piping and and refrigerant specialties are also certified and listed for use with the specific A2L refrigerant. Failure to do so will create a hazardous and unsafe condition. Every part of an existing split system needs to be analyzed to determine if it can be reused in an R-454B and POE oil system:",
              "as_of": "2026-08-11"
            }
          ]
        }
      ]
    },
    {
      "refrigerant": "R-454C",
      "trade_name": "Opteon\u2122 XL20",
      "retrofit_or_new": "N",
      "safety_class": "A2L",
      "gwp": "150",
      "listing_status": "Acceptable with Use Conditions: See rule for detailed conditions.",
      "id": "r-454c",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-454c/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "R-454C | Opteon\u2122 XL20 | N | 0 | 150 | A2L | <https://www.govinfo.gov/content/pkg/FR-2021-05-06/pdf/2021-08968.pdf> May 6, 2021 (pdf) (583 KB) | Acceptable with Use Conditions: See rule for detailed conditions. |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class",
        "trade_name"
      ],
      "disagreements": []
    },
    {
      "refrigerant": "R-456A",
      "safety_class": "A1",
      "id": "r-456a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-456a/",
      "source": "https://www.federalregister.gov/documents/2025/11/10/2025-19812/protection-of-stratospheric-ozone-listing-of-substitutes-under-the-significant-new-alternatives",
      "source_quote": "ASHRAE 34-2024 categorizes HFO-1234yf and R-444A as being in the A2L Safety Group and R-453A, R-456A, and R-480A in the A1 Safety Group.",
      "verified_fields": [
        "refrigerant",
        "safety_class"
      ],
      "also_reported": [
        {
          "field": "retrofit_or_new",
          "value": "retrofit",
          "source": "https://www.federalregister.gov/documents/2025/11/10/2025-19812/protection-of-stratospheric-ozone-listing-of-substitutes-under-the-significant-new-alternatives",
          "source_quote": "List the blend R-456A as acceptable, subject to use conditions, in retrofit LMDV MVACs, retrofit HD pickup trucks and van MVACs (complete and incomplete), retrofit HDOH MVACs, and retrofit MVACs on buses and trains;",
          "as_of": "2026-08-11"
        },
        {
          "field": "listing_status",
          "value": "acceptable, subject to use conditions",
          "source": "https://www.federalregister.gov/documents/2025/11/10/2025-19812/protection-of-stratospheric-ozone-listing-of-substitutes-under-the-significant-new-alternatives",
          "source_quote": "List the blend R-456A as acceptable, subject to use conditions, in retrofit LMDV MVACs, retrofit HD pickup trucks and van MVACs (complete and incomplete), retrofit HDOH MVACs, and retrofit MVACs on buses and trains;",
          "as_of": "2026-08-11"
        }
      ],
      "disagreements": []
    },
    {
      "refrigerant": "R-457A",
      "trade_name": "Forane\u00ae 457A",
      "retrofit_or_new": "N",
      "safety_class": "A2L",
      "gwp": "140",
      "listing_status": "Acceptable with Use Conditions: See rule for detailed conditions.",
      "id": "r-457a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-457a/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "R-457A | Forane\u00ae 457A | N | 0 | 140 | A2L | <https://www.govinfo.gov/content/pkg/FR-2021-05-06/pdf/2021-08968.pdf> May 6, 2021 (pdf) (583 KB) | Acceptable with Use Conditions: See rule for detailed conditions. |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class",
        "trade_name"
      ],
      "disagreements": []
    },
    {
      "refrigerant": "R-458A",
      "trade_name": "Bluon TdX 20",
      "retrofit_or_new": "R",
      "safety_class": "A1",
      "gwp": "1,650",
      "listing_status": "Acceptable",
      "id": "r-458a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-458a/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "R-458A | Bluon TdX 20 | R | 0 | 1,650 | A1 | <https://www.govinfo.gov/content/pkg/FR-2017-07-21/pdf/2017-15379.pdf> July 21, 2017 (pdf) (314 KB) | Acceptable |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-480A",
      "safety_class": "A1",
      "id": "r-480a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-480a/",
      "source": "https://www.federalregister.gov/documents/2025/11/10/2025-19812/protection-of-stratospheric-ozone-listing-of-substitutes-under-the-significant-new-alternatives",
      "source_quote": "ASHRAE 34-2024 categorizes HFO-1234yf and R-444A as being in the A2L Safety Group and R-453A, R-456A, and R-480A in the A1 Safety Group.",
      "verified_fields": [
        "refrigerant",
        "safety_class"
      ],
      "also_reported": [
        {
          "field": "retrofit_or_new",
          "value": "retrofit",
          "source": "https://www.federalregister.gov/documents/2025/11/10/2025-19812/protection-of-stratospheric-ozone-listing-of-substitutes-under-the-significant-new-alternatives",
          "source_quote": "List the blend R-480A as acceptable, subject to use conditions, in retrofit LMDV MVACs, retrofit MVACs on HD pickup trucks and vans (complete and incomplete), retrofit HDOH MVACs, and retrofit MVACs on buses and trains;",
          "as_of": "2026-08-11"
        },
        {
          "field": "listing_status",
          "value": "acceptable, subject to use conditions",
          "source": "https://www.federalregister.gov/documents/2025/11/10/2025-19812/protection-of-stratospheric-ozone-listing-of-substitutes-under-the-significant-new-alternatives",
          "source_quote": "List the blend R-480A as acceptable, subject to use conditions, in retrofit LMDV MVACs, retrofit MVACs on HD pickup trucks and vans (complete and incomplete), retrofit HDOH MVACs, and retrofit MVACs on buses and trains;",
          "as_of": "2026-08-11"
        }
      ],
      "disagreements": []
    },
    {
      "refrigerant": "HCFC R-402A",
      "replaces": "R-502",
      "trade_name": "Freon HP80",
      "gwp": "2788",
      "lubricant": "AB & MIN",
      "listing_status": "For service applications only",
      "id": "r-502-hcfc-r-402a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-502-hcfc-r-402a/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "HCFC R-402A 2788 R-502 L,M AB & MIN POE-32 & MIN POE-32 For service applications only, trade name: Freon HP80",
      "verified_fields": [
        "gwp",
        "listing_status",
        "lubricant",
        "refrigerant",
        "replaces",
        "trade_name"
      ]
    },
    {
      "refrigerant": "HCFC R-402B",
      "replaces": "R-502",
      "trade_name": "Freon HP81",
      "gwp": "2416",
      "lubricant": "AB & MIN",
      "listing_status": "For service applications only",
      "id": "r-502-hcfc-r-402b",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-502-hcfc-r-402b/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "HCFC R-402B 2416 R-502 L,M AB & MIN POE-32 & MIN POE-32 For service applications only, trade name: Freon HP81",
      "verified_fields": [
        "gwp",
        "listing_status",
        "lubricant",
        "refrigerant",
        "replaces",
        "trade_name"
      ]
    },
    {
      "refrigerant": "HCFC R-408A",
      "replaces": "R-502",
      "trade_name": "FX10",
      "gwp": "3152",
      "lubricant": "AB & MIN",
      "listing_status": "For service applications only",
      "id": "r-502-hcfc-r-408a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-502-hcfc-r-408a/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "HCFC R-408A 3152 R-502 L,M AB & MIN POE-32 & MIN POE-32 For service applications only, trade name: FX10",
      "verified_fields": [
        "gwp",
        "listing_status",
        "lubricant",
        "refrigerant",
        "replaces",
        "trade_name"
      ]
    },
    {
      "refrigerant": "HFC R-404A",
      "replaces": "R-502",
      "trade_name": "Freon HP62, Forane\u2122 FX70",
      "gwp": "3922",
      "lubricant": "POE-32",
      "id": "r-502-hfc-r-404a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-502-hfc-r-404a/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "R-502 L,M L,M POE-32 Freon HP62, Forane\u2122 FX70 HFC R-404A 3922 R-502 L,M L,M POE-22C For use with compressors manufactured in India",
      "verified_fields": [
        "gwp",
        "lubricant",
        "refrigerant",
        "replaces",
        "trade_name"
      ]
    },
    {
      "refrigerant": "HFC R-507",
      "replaces": "R-502",
      "trade_name": "Genetron\u2122 AZ50",
      "gwp": "3985",
      "lubricant": "POE-32",
      "id": "r-502-hfc-r-507",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-502-hfc-r-507/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "HFC R-507 3985 R-502 L,M L,M POE-32 Genetron\u2122 AZ50",
      "verified_fields": [
        "gwp",
        "lubricant",
        "refrigerant",
        "replaces",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-507, R-507A",
      "trade_name": "AZ-50",
      "retrofit_or_new": "R/N",
      "safety_class": "A1",
      "gwp": "3,990",
      "listing_status": "Acceptable",
      "id": "r-507-r-507a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-507-r-507a/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "R-507, R-507A | AZ-50 | R/N | 0 | 3,990 | A1 | <https://www.govinfo.gov/app/details/FR-1996-09-05/96-22649> September 5, 1996 ; <https://www.govinfo.gov/content/pkg/FR-2002-12-20/pdf/02-32130.pdf> December 20, 2002 (pdf) (168 KB) | Acceptable |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-513A",
      "trade_name": "Opteon\u00ae XP-10",
      "retrofit_or_new": "N",
      "safety_class": "A1",
      "gwp": "630",
      "listing_status": "Acceptable in self-contained units.",
      "id": "r-513a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-513a/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "R-513A | Opteon\u00ae XP-10 | N | 0 | 630 | A1 | <https://www.govinfo.gov/content/pkg/FR-2024-12-11/pdf/2024-28307.pdf> December 11, 2024 (pdf) (300 KB) | Acceptable in self-contained units. |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class",
        "trade_name"
      ]
    },
    {
      "refrigerant": "R-516A",
      "safety_class": "A2L",
      "listing_status": "acceptable, subject to use conditions",
      "id": "r-516a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-516a/",
      "source": "https://www.federalregister.gov/documents/2025/11/10/2025-19812/protection-of-stratospheric-ozone-listing-of-substitutes-under-the-significant-new-alternatives",
      "source_quote": "The EPA is proposing to list HCR 4141, HFO-1234ze(E), and R-516A as acceptable, subject to use conditions, for this end-use. HCR 4141 is a higher flammability refrigerant blend with each component in the A3 Safety Group. HFO-1234ze(E) and R-516A are lower flammability refrigerants, both in the A2L Safety Group.",
      "verified_fields": [
        "listing_status",
        "refrigerant",
        "safety_class"
      ]
    },
    {
      "refrigerant": "R-704 helium",
      "gwp": "1",
      "lubricant": "PAG",
      "listing_status": "Copeland ZC scroll models only",
      "id": "r-704-helium",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-704-helium/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "R-704 helium 1 Cryogenic PAG Copeland ZC scroll models only",
      "verified_fields": [
        "gwp",
        "listing_status",
        "lubricant",
        "refrigerant"
      ]
    },
    {
      "refrigerant": "R-744 CO2",
      "gwp": "1",
      "lubricant": "PAG-68",
      "id": "r-744-co2",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r-744-co2/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "R-744 CO2 1 PAG-68 POE-68 RFL68EP for CO2 compressor manufactured in Europe",
      "verified_fields": [
        "gwp",
        "lubricant",
        "refrigerant"
      ]
    },
    {
      "refrigerant": "R-513A",
      "replaces": "R12",
      "gwp": "630",
      "lubricant": "POE-22D",
      "listing_status": "Compressors produced in Brazil",
      "id": "r12-r-513a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r12-r-513a/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "R-513A 630 R12 L,M L,M POE-22D Compressors produced in Brazil",
      "verified_fields": [
        "gwp",
        "listing_status",
        "lubricant",
        "refrigerant",
        "replaces"
      ]
    },
    {
      "refrigerant": "R-454A",
      "replaces": "R22/R404A",
      "safety_class": "A2L",
      "gwp": "239",
      "id": "r22-r404a-r-454a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r22-r404a-r-454a/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "R-454A 239 R22/R404A \u2013 L,M A2L",
      "verified_fields": [
        "gwp",
        "refrigerant",
        "replaces",
        "safety_class"
      ]
    },
    {
      "refrigerant": "R-454C",
      "replaces": "R22/R404A",
      "gwp": "148",
      "id": "r22-r404a-r-454c",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r22-r404a-r-454c/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "R-454C 148 R22/R404A \u2013 L,M",
      "verified_fields": [
        "gwp",
        "refrigerant",
        "replaces"
      ]
    },
    {
      "refrigerant": "R-32",
      "replaces": "R410A",
      "gwp": "675",
      "lubricant": "POE-46",
      "id": "r410a-r-32",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r410a-r-32/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "R410A M,H M,H POE-46 SP32 SP32covers VE/ZE compressors manufactured in Asia only R-32 675",
      "verified_fields": [
        "gwp",
        "lubricant",
        "refrigerant",
        "replaces"
      ]
    },
    {
      "refrigerant": "R-454B",
      "replaces": "R410A",
      "gwp": "466",
      "lubricant": "POE-32",
      "listing_status": "Not for retrofit into A1 systems",
      "id": "r410a-r-454b",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r410a-r-454b/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "R-454B 466 R410A \u2013 M,H POE-32 Not for retrofit into A1 systems",
      "verified_fields": [
        "gwp",
        "listing_status",
        "lubricant",
        "refrigerant",
        "replaces"
      ]
    },
    {
      "refrigerant": "R-455A",
      "replaces": "R410A",
      "gwp": "145",
      "id": "r410a-r-455a",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/r410a-r-455a/",
      "source": "https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11",
      "source_quote": "R-455A 145 R410A \u2013 M,H",
      "verified_fields": [
        "gwp",
        "refrigerant",
        "replaces"
      ]
    },
    {
      "refrigerant": "RS-44 (2003 formulation)",
      "retrofit_or_new": "R/N",
      "safety_class": "A1",
      "gwp": "2,420",
      "listing_status": "Acceptable",
      "id": "rs-44-2003-formulation",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/rs-44-2003-formulation/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "RS-44 (2003 formulation) | | R/N | 0 | 2,420 | A1 | <https://www.govinfo.gov/content/pkg/FR-2010-06-16/pdf/2010-14510.pdf> June 16, 2010 (pdf) (229 KB) | Acceptable |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class"
      ]
    },
    {
      "refrigerant": "THR-03",
      "retrofit_or_new": "R/N",
      "safety_class": "A1",
      "gwp": "N/A",
      "listing_status": "Acceptable with Use Conditions : For use in residential window unit air conditioning.",
      "id": "thr-03",
      "url": "https://referencesource.org/hvac-component-refrigerant-compatibility/thr-03/",
      "source": "https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps",
      "source_quote": "THR-03 | | R/N | 0 | N/A | A1 | <https://www.govinfo.gov/content/pkg/FR-1999-12-06/pdf/99-31544.pdf> December 6, 1999 (pdf) (226 KB) | Acceptable with Use Conditions : For use in residential window unit air conditioning. |",
      "verified_fields": [
        "gwp",
        "listing_status",
        "refrigerant",
        "retrofit_or_new",
        "safety_class"
      ]
    }
  ]
}