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 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 available.

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.

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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.

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

Built to commercial-grade standards, Rinnai tankless water heaters are individually tested, backed by the industry's best warranty, and compact enough to fit any space.

RE180iN is the perfect combination of high efficiency, comfort and value in a natural gas non- condensing tankless water heater from Rinnai. Ideal for small to medium homes or remodels.

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 …

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 …