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 …

Rinnai tankless hot water heaters are built to commercial-grade standards and each individual unit is tested for quality. So you may never need our industry-leading warranty and legendary support for …

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 condensing boilers are user-friendly and dependable for heating your home and your water. Each model continually adjusts to maximize efficiency and optimize performance — providing comfort 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.

Explore all Rinnai brochures, case studies, energy guides, manuals, spec sheets, warranties and more.

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 assistance.

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, with the addition of …

Find a Rinnai PRO Find a PRO near you to install and service Rinnai products. By unchecking the box, you are indicating you do not want to be contacted by Rinnai regarding the PRO service you are …

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.