Refrigerants for compressor selection

Browse refrigerants by GWP, safety class, and F-Gas regulatory status, and see which compressors run on each. Natural refrigerants and low-GWP HFO blends are listed first.

• R717 (Ammonia) — natural, GWP 0, safety B2L, 583 compressors
• R744 (CO2) — natural, GWP 1, safety A1, 905 compressors
• R1270 (Propylene) — natural, GWP 2, safety A3, 766 compressors
• R290 (Propane) — natural, GWP 3, safety A3, 2028 compressors
• R600a (Isobutane) — natural, GWP 3, safety A3, 572 compressors
• R1234yf — HFO, GWP 4, safety A2L, 979 compressors
• R1234ze(E) — HFO, GWP 7, safety A2L, 1073 compressors
• R454C — HFO blend, GWP 148, safety A2L, 1119 compressors
• R455A — HFO blend, GWP 148, safety A2L, 946 compressors
• R515B — HFO blend, GWP 287, safety A1, 456 compressors
• R454B — HFO blend, GWP 466, safety A2L, 767 compressors
• R450A — HFC/HFO blend, GWP 605, safety A1, 1453 compressors
• R513A — HFO blend, GWP 631, safety A1, 2256 compressors
• R32 — HFC, GWP 675, safety A2L, 465 compressors
• R448A — HFC/HFO blend, GWP 1387, safety A1, 2513 compressors
• R449A — HFC/HFO blend, GWP 1397, safety A1, 2271 compressors
• R134a — HFC, GWP 1430, safety A1, 4646 compressors
• R407C — HFC, GWP 1774, safety A1, 3853 compressors
• R22 — HCFC, GWP 1810, safety A1, 5779 compressors
• R407F — HFC, GWP 1825, safety A1, 2072 compressors
• R410A — HFC, GWP 2088, safety A1, 2900 compressors
• R407A — HFC, GWP 2107, safety A1, 1973 compressors
• R404A — HFC, GWP 3922, safety A1, 5201 compressors
• R507A — HFC, GWP 3985, safety A1, 1784 compressors

Find a lower-GWP drop-in replacement with the F-Gas Retrofit tool