How Long Does a Water Heater Last? (2026 Data)

Water heater lifespan in 2026: tanks 10–15 yrs, tankless 15–25 yrs. Bradford White vs A.O. Smith vs Rheem, plus the signals to replace early.

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.