SAE releases test results on alternative refrigerant HFO1234yf

  • 08-Dec-2008 12:28 EST

Two SAE International cooperative research programs (CRPs) sponsored by most of the world's largest automakers have found that the alternative refrigerant HFO1234yf offers "significant environmental benefits" while posing no significant risks related to safety (e.g., toxicology, flammability) when used in vehicle A/C systems. Results are available on SAE's website at www.sae.org/standardsdev/tsb/cooperative/altrefrig.htm. Research for the CRP 1234-1 and CRP 1234-2 programs was conducted by Gradient Corp., Exponent Engineering and Scientific Consulting, Ineris, Institute National del'Environnement Industriel et des Risques, TNO Pharma, Underwriters Laboratories, WIL Research Laboratories, and DNV Climate Services. In testing, HFO1234yf was found to have a global warming potential of 4 vs. 1430 for R134a, the EC-mandated European phase-out of which begins in 2011.

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