About Rinnai

About Rinnai

#1 in Tankless in North America

More homeowners and business owners choose Rinnai than any other tankless water heater brand. They choose us for our 100-year commitment to quality, for our industry-leading warranties, and because we’re the first major tankless brand to manufacture in the U.S.A.

Over our 100-year history, we've proven our commitment to the quality, safety, and support behind everything we do. We make it easy to pick the right tankless water heater to support a more satisfying lifestyle for you and your family.

Tankless vs. Tanks

  • With Rinnai tankless water heaters, you never run out of hot water
  • Rinnai tankless can last twice as long as tanks, making them a better investment as well as increasing the value of your home
  • Rinnai tankless save money by using less energy and can fit almost anywhere in your home, saving valuable space

Rinnai tankless water heaters have a longer lifespan of up to twice as long as a traditional tank.

Our team of experts has worked for more than a century to deliver high-quality, innovative water and home heating solutions to our customers.

Rinnai is the only tankless manufacturer to test every water heater before it ships out.

All Rinnai tankless water heaters come with an industry-leading reasonable labor coverage of 1 year, with extensions available.

Proud U.S. Manufacturer

Rinnai is the first and only major tankless brand to have a manufacturing facility in the U.S. with advanced automation and precision assembly processes. All factories are ISO 9001 and/or ISO 14001 certified.

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