R1234yf Ametron Refrigerants® - Cooling Expert

2,3,3,3-Tetrafluoropropene, HFO-1234yf, is a hydrofluoroolefin (HFO) with the formula CH2=CFCF3. HFO-1234yf has a global warming potential (GWP) of less than 1, compared to 1,430 for R-134a and 1 for carbon dioxide. This colorless gas is being used as a replacement for R-134a as a refrigerant in automobile air conditioners.