# R-455A — HVAC refrigerant replacements: retrofit compatibility, safety class, GWP and lubricant For R-455A, replaces is R410A; gwp is 145, verified against its source on 2026-08-11. - **Refrigerant:** R-455A _(verified: appears in the quote below)_ - **Replaces:** R410A _(verified: appears in the quote below)_ - **GWP:** 145 _(verified: appears in the quote below)_ ## What the source says > R-455A 145 R410A – M,H ## 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/).