R-454C

For R-454C, replaces is R-407C; trade name(s) is Opteon™ XL20; ashrae safety class is A2L; gwp is 148 (146), verified against its source on 2026-08-11.

Refrigerant: R-454C verified
Replaces: R-407C verified
Trade name(s): Opteon™ XL20 verified
ASHRAE safety class: A2L verified
GWP: 148 (146) verified

Sourcechemours.com

Verified2026-08-11

Review by2027-08-11

DatasetHVAC refrigerant replacements: retrofit compatibility, safety class, GWP and lubricant

What the source says

Opteon™ XL10 R-1234yf R-134a A2L 4 (1) -21 Opteon™ XL20 R-454C R-407C A2L 148 (146) -50

— chemours.com, retrieved 2026-08-11

Source

chemours.comhttps://www.chemours.com/en/-/media/files/freon/opteon-freon-general-replacement-guide.pdf

Last verified against source: 2026-08-11. Due for re-check by 2027-08-11. This page as Markdown · OKF bundle · full dataset as JSON.