Refrigerant Recovery and Charging Protocols Determine Your HVAC System's Usable Lifespan
https://precisioninsurancesaccounty.bearsfanteamshop.com/throughout-your-hvac-system-s-15-to-20-year-lifespan-know-when-to-repair-or-replace
Most HVAC systems remain functional for 15 to 20 years, but proper refrigerant handling procedures during service directly extend that timeline