Two commenters recommended that enabling R-454A would smooth the transition to minimal-GWP refrigerants in stand-on your own units, enabling the business to meet timing goals of the Engineering Transitions Rule. A special commenter urged EPA to list R-454A to be used in self-contained machines. The 3rd commenter stated that the quantity Employed in

Two commenters proposed that letting R-454A would clean the transition to lower-GWP refrigerants in stand-by itself units, enabling the market to fulfill timing plans on the Technology Transitions Rule. A different commenter urged EPA to record R-454A to be used in self-contained gear. The 3rd commenter stated that the amount used in self-contained