R-454B
For R-454B, replaces is R-410A; trade name(s) is Opteon™ XL41; ashrae safety class is A2L; gwp is 466 (467), verified against its source on 2026-08-11.
- Refrigerant
- R-454B verified
- Replaces
- R-410A verified
- Trade name(s)
- Opteon™ XL41 verified
- ASHRAE safety class
- A2L verified
- GWP
- 466 (467) verified
- Compatible lubricant
- POE oil per prod-edam.honeywell.com
What the source says
Opteon™ XL20 R-454C R-407A A2L 148 (146) -50 Opteon™ XL41 R-454B R-410A A2L 466 (467) -51
— chemours.com, retrieved 2026-08-11
What prod-edam.honeywell.com says
R-454B is now a primary replacement for R-410A. Due to • Liquid drain line velocity kept below 100fpm this, compressors are—and will continue to be—available. The • All sizes indicate outside dimensions type K or L copper tubing components in R-454B (R-32 / R-1234yf) are well-known • Equivalent length should include equivalent length for fittings. Refer to fluids and should pose no complications for compressor ASHRAE guidelines. manufacturers. R-454B generally uses POE oil.
— prod-edam.honeywell.com, retrieved 2026-08-11
What shareddocs.com says
For Carrier and its associated brands, that means a transition from R-410A to R-454B, which has one fourth the GWP of R-410A*. R-454B is in a specific class of refrigerants known as A2L, whereas R-410A is a class A1 refrigerant.
— shareddocs.com, retrieved 2026-08-11
Sources
- chemours.comhttps://www.chemours.com/en/-/media/files/freon/opteon-freon-general-replacement-guide.pdf
- prod-edam.honeywell.comhttps://prod-edam.honeywell.com/content/dam/honeywell-edam/pmt/oneam/en-us/refrigerants/documents/pmt-am-solstice-454b-applications-guide.pdf
- shareddocs.comhttps://www.shareddocs.com/hvac/docs/1006/Public/06/570-178.pdf