The R-410A Phase-Out: What HVAC Contractors Must Know in 2025 The HVAC industry is shifting away from high-GWP refrigerants, with R-410A being phased out under the EPA’s AIM Act. New low-global-warming-potential (GWP) refrigerants like R-32, R-454B, and R-290 are emerging as top replacements, and HVAC contractors need to stay ahead of compliance changes to remain […]








