# R-443A — HVAC refrigerant replacements: retrofit compatibility, safety class, GWP and lubricant

For R-443A, retrofit / new is N; ashrae safety class is A3; gwp is 2.5; listing status / notes is Unacceptable , as of January 3, 2017, verified against its source on 2026-08-11.

- **Refrigerant:** R-443A _(verified: appears in the quote below)_
- **Retrofit / new:** N _(verified: appears in the quote below)_
- **ASHRAE safety class:** A3 _(verified: appears in the quote below)_
- **GWP:** 2.5 _(verified: appears in the quote below)_
- **Listing status / notes:** Unacceptable , as of January 3, 2017. _(verified: appears in the quote below)_

## What the source says

> 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. |

## 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/).