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 …

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.

The SENSEI® RX Series is the most advanced Condensing Tankless Water Heater on the market that sets the standard for efficiency at 0.98 UEF and delivers the ultimate in lifestyle …

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, …

The SENSEI® RX160iN condensing tankless water heater from Rinnai is only the size of a small suitcase, uses either Natural Gas or Propane, and can be installed indoors or outdoors using …

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.

The SENSEI® RXP Models are the most advanced Condensing Tankless Water Heater on the market that sets the standard for efficiency at 0.98UEF and delivers the ultimate in lifestyle …

Need help understanding tankless water heaters? We’re here to help you make an educated decision on your home’s most important appliance.