# Industrial process refrigeration products, other than chillers — US AIM Act sector-specific refrigerant GWP limits and compliance dates (40 CFR 84.54) For Industrial process refrigeration products, other than chillers, restriction type is manufacture/import; maximum gwp is 700; effective date is January 1, 2028; conditions is where the temperature of the refrigerant entering the evaporator is greater than or equal to −50 °C (−58 °F) and is less than or equal to −30 °C (−22 °F); cfr paragraph is § 84.54(a)(12)(iii), recorded from its source on 2026-08-06. - **Sector/subsector:** Industrial process refrigeration products, other than chillers _(verified: appears in the quote below)_ - **Restriction type:** manufacture/import _(our reading, not quoted from the source)_ - **Maximum GWP:** 700 _(verified: appears in the quote below)_ - **Effective date:** January 1, 2028 _(verified: appears in the quote below)_ - **Conditions:** where the temperature of the refrigerant entering the evaporator is greater than or equal to −50 °C (−58 °F) and is less than or equal to −30 °C (−22 °F) _(verified: appears in the quote below)_ - **CFR paragraph:** § 84.54(a)(12)(iii) _(our reading, not quoted from the source)_ ## What the source says > ( 12 ) Industrial process refrigeration products, other than chillers, as follows: ( i ) Effective January 1, 2026, products with a refrigerant charge capacity of 200 pounds or greater and with the refrigerant temperature entering the evaporator higher than −30 °C (−22 °F) using a regulated substance, or a blend containing a regulated substance, with a global warming potential of 150 or greater; ( ii ) Effective January 1, 2026, products with a refrigerant charge capacity less than 200 pounds and with the refrigerant temperature entering the evaporator higher than −30 °C (−22 °F), using a regulated substance, or a blend containing a regulated substance, with a global warming potential of 300 or greater; ( iii ) Effective January 1, 2028, where the temperature of the refrigerant entering the evaporator is greater than or equal to −50 °C (−58 °F) and is less than or equal to −30 °C (−22 °F), using a regulated substance, or a blend containing a regulated substance, with a global warming potential of 700 or greater; ## Source - https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 Last verified: 2026-08-06. Review by: 2027-02-02. Part of [US AIM Act sector-specific refrigerant GWP limits and compliance dates (40 CFR 84.54)](https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/).