What tankless water heater means
A tankless water heater heats water as it flows through, with no storage tank, firing only when a hot tap is opened.
Also called on-demand water heater.
Where it matters on a plumbing job
Conversions often need a bigger gas line, new venting and a dedicated circuit, which is where tankless quotes grow. Size by the GPM the customer will use at once, and include yearly descaling in the plan.
What it costs
Jobs that involve tankless water heater are priced in the tankless water heater installation cost guide: about $2,750 typical, usually $1,400 to $3,950. The guide shows its sources and what moves the price. The water heater replacement cost calculator prices a job line by line.
Work it out
- Free calculator: Water heater replacement cost calculator
- Cost guide: Tankless water heater installation cost
- Licensing: Plumbing license rules by state
- Tools, templates and guides: Free plumbing resources