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R-32 vs. R-454B: Which New HVAC Refrigerant Is Better? The Complete 2026 Comparison If you're shopping for a new air conditioner, heat pump, or mini split in 2026, you've probably noticed something ne…

A Homeowner's and Contractor's Guide to HVAC Refrigerants: R-22, R-410A, R-32, and R-454B If you've shopped for HVAC equipment recently — or had a contractor out to service your system — y…