Water Heaters · cost by city
Tankless Water Heater Installation cost (2026)
Installing an on-demand tankless water heater, which heats water only as needed. Choose your city to see an estimate localized for labor rates, climate and permit fees.
Most jobs land around $4,050 nationally; your local price will differ.
Tankless Water Heater Installation cost by type
National ranges by option. Localize any of these to your city below.
| Type | National 2026 range |
|---|---|
| Gas tankless | $3,000 – $6,500 |
| Electric tankless | $1,700 – $3,200 |
Popular tankless water heater installation estimates
Homeowners search these cities most for this project — local 2026 pricing for each.
tankless water heater installation guides & advice
All guides →Where tankless water heater installation costs the most & least
2026 estimates for major U.S. cities, fully localized. Tap through for any city's full breakdown.
Most affordable
Tankless Water Heater Installation cost by state
Select a state to drill into your city — 1000+ cities covered across 51 states.
- Alabama12
- Alaska1
- Arizona25
- Arkansas10
- California212
- Colorado21
- Connecticut15
- Delaware2
- District of Columbia1
- Florida73
- Georgia18
- Hawaii1
- Idaho8
- Illinois52
- Indiana21
- Iowa13
- Kansas11
- Kentucky5
- Louisiana9
- Maine1
- Maryland7
- Massachusetts36
- Michigan31
- Minnesota24
- Mississippi6
- Missouri16
- Montana4
- Nebraska4
- Nevada6
- New Hampshire3
- New Jersey22
- New Mexico7
- New York17
- North Carolina22
- North Dakota4
- Ohio33
- Oklahoma11
- Oregon14
- Pennsylvania13
- Rhode Island6
- South Carolina12
- South Dakota2
- Tennessee17
- Texas83
- Utah19
- Vermont1
- Virginia17
- Washington28
- West Virginia2
- Wisconsin20
- Wyoming2
Prefer a full list? Browse all 1000+ cities →
What affects the price
- Gas vs electric (gas often needs a larger line)
- Flow rate (GPM) for your household size
- Venting requirements and wall penetration
- Whether an electrical/gas upgrade is required
Ways to cut the cost
- Endless hot water and ~20-year life offset the upfront cost
- Electric tankless suits smaller homes for less
- Check utility efficiency rebates in your area
- Descale annually to protect the unit
Cheapest time for tankless water heater installation
Wait for a winter failure and you're paying rush rates on a unit already past 10 years, when the cold incoming water finally does it in. Replace it on your own schedule in spring or fall and you avoid that premium entirely.
Tankless Water Heater Installation cost questions
How much does tankless water heater installation cost in 2026?
Nationally, tankless water heater installation runs about $2,500–$5,600, with most homeowners paying around $4,050. Your city moves this based on local labor, climate and permits — El Paso, TX is among the lowest ($3,600) and San Jose, CA among the highest ($5,150).
What are the main types of tankless water heater installation and how do they compare?
Gas tankless ($3,000–$6,500); Electric tankless ($1,700–$3,200). Pick a city below to localize any of these to your area.
What affects the cost of tankless water heater installation?
Gas vs electric (gas often needs a larger line); Flow rate (GPM) for your household size; Venting requirements and wall penetration; Whether an electrical/gas upgrade is required.
When is the cheapest time for tankless water heater installation?
The best window is spring and early fall, when demand drops and installers discount — typically 5–10% off peak pricing. Avoid deep winter (failure season).