How Long Do Major Home Systems Last? (2026 Lifespans)

2026 lifespan ranges for every major home system — roof, HVAC, water heater, plumbing, electrical panel, sewer, siding, windows, foundation.

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.