How Long Does a Central AC Last? (2026 Data)

Central AC lifespan in 2026: 12–22 years depending on brand and refrigerant. R-22 systems should be replaced. Brand-by-brand benchmarks.

About HomeScore

HomeScore forecasts repairs, replacement timing, and total ownership cost across 40+ home systems. Used by 8,200+ buyers, sellers, and long-term homeowners in 2026.