Boiler Replacement Cost Calculator
Estimate the cost of replacing your hot water boiler based on fuel type, efficiency, and home size.
Last updated: March 25, 2026
Boiler Replacement Cost Calculator
Estimate the cost of replacing your hot water boiler based on fuel type, efficiency, and home size.
Estimated Total
$7,650
Itemized Breakdown
This calculator provides estimates based on national averages adjusted for your region. Actual costs may vary significantly based on specific project conditions, contractor availability, material prices, and local market factors. Always get at least 3 quotes from licensed, insured contractors before starting your project.
Want the full picture?
Read our complete Boiler Replacement cost guide with material comparisons, contractor tips, savings strategies, and regional pricing data.
Quick Cost Reference
Cost by Tier
Standard-efficiency gas boiler (80-85% AFUE), basic installation with existing connections
High-efficiency condensing gas boiler (90-95% AFUE), new venting, updated controls
Top-tier condensing boiler (95%+ AFUE), zoned system with smart controls, new piping, indirect water heater