Where to buy

Tankless water heater installation is best done by a professional to save you time and money in the long run. Authorized Navien installers handle everything—from obtaining any required permits through testing and inspection of the installed unit.

Enter your ZIP code below to find an installer or service provider for your Navien tankless water heater, boiler, or combi-boiler.

Before installation or repairs begin, make sure your service specialist calls Navien’s Technical Support Department while in front of your unit:

800-519-8794, option 2.

We also recommend that you report any maintenance at 800-519-8794, option 2 or option 3.

Tankless Water Heater Installation FAQ

1) How much does it cost to install a Navien tankless water heater?

The installation cost will vary based on the size and type of model you select, and whether gas lines need to be installed or replaced. Contact a local authorized Navien installer to request a cost estimate.

2) How long does it take to install a Navien tankless water heater?
Every installation is unique and has several factors affecting how long it takes, including location, removal of the old water heater(s), and connecting the power, water, and gas lines. Your installer can provide a time and cost estimate after seeing the space.