# R-454A — HVAC refrigerant replacements: retrofit compatibility, safety class, GWP and lubricant

For R-454A, replaces is R22/R404A; ashrae safety class is A2L; gwp is 239, verified against its source on 2026-08-11.

- **Refrigerant:** R-454A _(verified: appears in the quote below)_
- **Replaces:** R22/R404A _(verified: appears in the quote below)_
- **ASHRAE safety class:** A2L _(verified: appears in the quote below)_
- **GWP:** 239 _(verified: appears in the quote below)_

## What the source says

> R-454A 239 R22/R404A – L,M A2L

## Source

- https://webapps.copeland.com/online-product-information/Publication/LaunchPDF?Index=AEB&PDF=93-11

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/).