Tankless Water Heater Cost Calculator
Estimate the cost to install a tankless water heater based on fuel type, number of units, and options like gas line upgrades and recirculation pumps.
Last updated: March 25, 2026
Tankless Water Heater Cost Calculator
Estimate the cost to install a tankless water heater based on fuel type, number of units, and options like gas line upgrades and recirculation pumps.
Estimated Total
$2,400
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 Tankless Water Heater Installation cost guide with material comparisons, contractor tips, savings strategies, and regional pricing data.
Quick Cost Reference
Cost by Tier
Whole-house gas tankless, direct replacement near existing lines, standard venting
High-efficiency gas unit (0.95+ EF), new venting run, code-compliant install
Top-tier unit, multiple units for whole-house, new gas line, recirculation pump
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