US calculator
Boiler Replacement Cost Calculator
Estimate US residential hydronic boiler replacement costs by home size, fuel, efficiency, installation scope, and piping changes.
How this estimate is calculated
Fuel type supplies the installed hydronic-boiler allowance, while home area adds only a modest heating-capacity component. The complete project range is not multiplied by area, and area alone is not a professional heat-loss calculation. Efficiency, installation, distribution work, and selected fixed allowances are shown separately.
This is a planning estimate, not a contractor quote. Actual contractor quotes vary by location, specification, site conditions, labour, and project requirements.
Useful cost information
Planning assumptions
- This estimates a hydronic boiler, not a forced-air furnace.
- Complete radiator replacement is not included by default.
- Final boiler capacity should be selected using an appropriate heat-loss assessment.
Data sources & methodology
Current Angi 2026 residential boiler replacement cost guidance
Last reviewed: 2026-09
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