Tankless Water Heater Cost Calculator
Estimate the cost of installing a tankless water heater based on type, capacity, and installation requirements.
Last updated: March 25, 2026
Tankless Water Heater Cost Calculator
Estimate the cost of installing a tankless water heater based on type, capacity, and installation requirements.
Estimated Total
$2,500
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
Electric tankless water heater (Ecosmart or Stiebel Eltron), whole-house or point-of-use, basic installation with existing electrical capacity
Mid-range gas tankless (Rinnai or Noritz), 180,000-199,000 BTU, standard venting, updated gas line, condensing unit
Premium condensing gas tankless (Navien or Rinnai RUR), recirculation pump, dedicated venting, gas line upgrade, and whole-house integration