Understanding A2L Refrigerants for Air Conditioners

2500 A1 ACHR News - 3. Finding the Right Alternative Refrigerants GWP 100 (AR4) 500 1000 1500 2000 R-22 R-410A R-452A R-447B R-452B R-32 R-447A R-454B R-446A R-459A R-717 Refrigerant R-152a R-290 A2L B2L A2 A3 ■FIGURE 5: Refrigerant GWP 100 versus flammability classification. To shift the balance towards being more environmentally friendly, we must accept some degree of flammability. R-600a ❤ R-1270 22

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