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.

14 units

Estimated Total

$2,400

Cost per units$2,400
vs National Average-4%

Itemized Breakdown

Materials
$1,200
Labor
$900
Permits
$300
Total$2,400

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.

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Quick Cost Reference

National Average$2,500
Typical Range$1,500 - $4,500
Low End$800
High End$7,000

Cost by Tier

Budget

Whole-house gas tankless, direct replacement near existing lines, standard venting

$1,500
Mid-Range

High-efficiency gas unit (0.95+ EF), new venting run, code-compliant install

$2,400
Premium

Top-tier unit, multiple units for whole-house, new gas line, recirculation pump

$4,300

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