A complete tankless water heater installation in the Spokane area typically costs $3,500 to $6,500 installed, including the unit, labor, permit, gas-line or electrical upgrades, venting, and code work. Premium high-flow condensing models, or systems that need significant gas-line upgrades, can run $7,000–$9,500.
What drives the price
- Gas vs. electric model
- Flow rate (GPM) needed
- Condensing vs. non-condensing
- Gas-line or electrical upgrades
- Venting requirements
- Permit and inspection fees
We provide flat-rate, written quotes. See tankless water heater service and ask about financing.
