Cost to Install a Tankless Water Heater

Cost to Install a Tankless Water Heater

How much is a tankless water heater installed? A plumber will charge $1,550 to install a tankless water heater vs. doing it yourself for $750. Enter your ZIP Code and adjust the cost for where you live.

National Average Improvement and Repair Cost
Diy Logo Hours Pro 3.9 DIY 5.0
Money Pro $1550 DIY $750

By Gene and Katie Hamilton

Hmmm. What's a tankless water heater you're wondering? Simply, it is a hot water heater that heats water as you use it, giving you an endless supply of hot water, instead of heating and storing water like a traditional tank unit does. While the tankless units have been popular in Europe and Asia for years, they're only recently making their way into U.S. homes. Compared with a traditional gas hot water heater, a tankless unit is considered safer and more economical to operate because there is no pilot light and the unit only runs when the system is used so you can expect a lower gas bill. For a small home, there's an added bonus - no bulky tank.

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Installing a tankless water heater is similar to installing a regular gas water heater; you'll connect to a gas line, water line and vent, but the tankless system also has an electrical connection to power the computer and venting system. If you put the new tankless unit in the same space as an old gas tank water heater, you don't have to redo any plumbing lines. A plumber will charge $1,550 to replace a traditional gas water heater with a new tankless unit like the Takagi T-KJr, which can produce 180 gallons of hot water per hour. In home centers, you'll find other units designed for do-it-yourselfers. We, however, suggest that even though you can save a lot, do not do this yourself.

For information go to Tankless Water Heater Express.

Don't want to get involved doing this job yourself? Click here to get to Home Advisor and it will open in a new tab and you’ll have to answer some basic questions about your job followed by Plumbers in your area.

Compact Appliance had advice about How to select the right size tankless water heater.

Now you know the average cost to install a tankless water heater, which includes the labor and material, and what’s involved, so you can decide to do it yourself or hire a contractor. Don’t forget to adjust the cost to where you live by adding your ZIP Code.

Improvement and Repair Cost Updated 2020

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