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 …

Rinnai tankless water heaters last up to twice as long, have twice the warranty, and save energy as they only heat water when it is needed. Consumer financing and rebates are also often …

Our high-efficiency-plus RL models offer Rinnai’s most advanced technology in non-condensing tankless water heaters. You’ll enjoy the limitless hot water and energy savings you expect, …

Enjoy all the comfort and performance you expect from Rinnai, for less, with our super high-efficiency plus RU models. These compact units are powerful enough to meet your needs, …

Whether you have a question about a Rinnai product, need support, or would just like to give us some feedback, we're happy to hear from you.

Rinnai tankless water heaters last up to twice as long as tanks and have twice the warranty length. Plus, they save energy by heating water only when it is needed.

Find your ideal Rinnai tankless water heater system; simply take a few minutes to answer questions about your home and we'll recommend a solution to best fit your needs.

Tankless water heaters can work with both natural gas and propane heat sources. If your home runs on all-electric heat, tankless may still be a viable option. Contact a Rinnai PRO for further …

Create consistent heat and energy efficiency with Rinnai technology that optimizes gas usage. Each model features advanced modulating technology, which responds to even the smallest …

Newly designed from the inside out, Rinnai’s RE•Series™ makes tankless water heating even smarter. We made improvements with an eye to speeding installation, enhancing …