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

For R-454B, replaces is R410A; gwp is 466; compatible lubricant is POE-32; listing status / notes is Not for retrofit into A1 systems, verified against its source on 2026-08-11.

- **Refrigerant:** R-454B _(verified: appears in the quote below)_
- **Replaces:** R410A _(verified: appears in the quote below)_
- **GWP:** 466 _(verified: appears in the quote below)_
- **Compatible lubricant:** POE-32 _(verified: appears in the quote below)_
- **Listing status / notes:** Not for retrofit into A1 systems _(verified: appears in the quote below)_

## What the source says

> R-454B 466 R410A – M,H POE-32 Not for retrofit into A1 systems

## 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/).