How Long Does a Boiler Last?

Source: InterNACHI Life Expectancy Chart
40 years
Estimated lifespan
40 years
Minimum
40 years
Maximum

Category: HVAC

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Lifespan estimates are based on industry data for typical residential installations with normal use and proper maintenance. Actual lifespan varies with installation quality, climate, usage intensity, and maintenance. These figures may differ from other sources.

Source: InterNACHI Standard Estimated Life Expectancy Chart for Homes

Last verified: 2026-03-28