# R-407C — HVAC refrigerant replacements: retrofit compatibility, safety class, GWP and lubricant

For R-407C, trade name(s) is Suva 407C, Klea 407C; retrofit / new is R/N; ashrae safety class is A1; gwp is 1,770; listing status / notes is Acceptable, verified against its source on 2026-08-11.

- **Refrigerant:** R-407C _(verified: appears in the quote below)_
- **Trade name(s):** Suva 407C, Klea 407C _(verified: appears in the quote below)_
- **Retrofit / new:** R/N _(verified: appears in the quote below)_
- **ASHRAE safety class:** A1 _(verified: appears in the quote below)_
- **GWP:** 1,770 _(verified: appears in the quote below)_
- **Listing status / notes:** Acceptable _(verified: appears in the quote below)_

## What the source says

> 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 |

## Source

- https://epa.gov/snap/substitutes-residential-and-light-commercial-air-conditioning-and-heat-pumps

Last verified: 2026-08-11. Review by: 2027-08-11.
Part of [HVAC refrigerant replacements: retrofit compatibility, safety class, GWP and lubricant](https://referencesource.org/hvac-component-refrigerant-compatibility/).