Basic
$1,904 – $4,760 each
Non-condensing whole-house gas tankless unit with stainless steel venting, isolation valves, gas connection, old tank removed

Photo: Behrat · CC BY-SA 3.0 · Source
Install one whole-house natural gas tankless water heater including unit, venting, gas line connection and tank removal.
Gas Tankless Water Heater in Portland, Oregon typically costs $2,240 to $5,600 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Portland are 15.0% higher than the national average for gas tankless water heater.
National average: $2,000 – $5,000 each
$1,904 – $4,760 each
Non-condensing whole-house gas tankless unit with stainless steel venting, isolation valves, gas connection, old tank removed
$2,240 – $5,600 each
Condensing whole-house gas tankless unit with PVC venting, condensate neutralizer, isolation valve kit, old tank removed
$2,800 – $7,000 each
Condensing gas tankless unit with built-in recirculation pump and Wi-Fi control, PVC venting, neutralizer, isolation valves
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $945 – $2,363 | each |
| Labor | labor | $875 – $2,188 | each |
| Supplies & Other | supplies | $252 – $630 | each |
| Equipment & Disposal | equipment | $168 – $420 | each |
Two white wall-mounted gas tankless water heaters with pipe runs on a brick wall
Photo: Dinkun Chen · CC BY-SA 4.0 · Source
Find a pro to do thisLabor costs in Portland run proportionally higher than materials, which may favor material-heavy solutions.
Connect with local gas tankless water heater contractors in Portland for personalized quotes based on your specific project.