R-32 vs R-454B California AC Replacement Guide 2026
If you are replacing your air conditioner in California this year, two words will come up in every conversation with your HVAC contractor: R-32 and R-454B. These are the two new refrigerants replacing R-410A across all new residential systems as of January 1, 2026. Every unit your contractor installs today whether a central AC, a […]
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