R-454A Refrigerant: 2026 Guide, R-454A vs R-454B and R-404A

R-454A is one of the low-GWP refrigerants built to take R-404A's place in new commercial refrigeration, and it's easy to confuse with R-454B. They share most of a name and the same two ingredients, but they're built for different equipment. This guide covers what R-454A is, how it performs against R-404A, how it differs from R-454B and R-454C, where EPA allows it, and how to [...]