Coolant Chemistry Determines Whether Your Unit Survives 15 or 20 Years

https://telegra.ph/Confirming-Active-Coverage-Before-Your-15-20-Year-System-Reaches-End-of-Life-08-07

The refrigerant your central AC unit uses directly governs its lifespan. Systems charged with R-410A typically last 15–20 years, while those still running on R-22 face EPA phase-out constraints that accelerate replacement urgency