How Long Does an HVAC System Last? (2026 Data)

HVAC system lifespan in 2026 by brand and tier — Carrier, Trane, Lennox vs Goodman. Average 15–25 years and the signs it's time to plan replacement.

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.