Understanding A2L Refrigerants for Air Conditioners

ACHR News - 1. Background - Why change again so soon? Lower GWP Alternatives HFC R-32, R-454B HCFC R-410A CFC R-12 R-22 Reduce the Impact on the ozone layer Reduce the greenhouse effect The current round of changes aims to reduce the greenhouse effect of refrigerants, as those atmospheric measurement have also confirmed the steady increase of greenhouse gases over the last several decades, some of which are synthesized substances with no naturally occurring sources. 18

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