Rinnai Tankless Water Heaters | #1 Selling Tankless Water Heater in US

RESIDENTIAL

Endless hot water and energy savings make home sweet home even sweeter.

FOR HOMEOWNERS

Deliver performance and reliability for even the most demanding jobs.

FOR COMMERCIAL

Compact design and multiple venting options for new custom home builds.

FOR BUILDERS

We set a new standard of excellence, trust, and bottom-line success for your business.

FOR PROFESSIONALS

At Rinnai, our passion for constant improvement drives us to create incredibly innovative products for both home and commercial use. Discover why millions of families rely on their Rinnai tankless water heater and home heating gas appliances for total home comfort.

Ensure warranty and service coverage by registering your Rinnai tankless water heater or gas appliance.

Find utility, state, and federal rebates for your Rinnai water heater or gas appliance.

Get Rebates

Take your business to the next level as a Rinnai Advanced Comfort Expert™.

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