We Are #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.

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Your home’s most important appliance

  • From the bathroom to the kitchen to the laundry room, your home relies on hot water
  • Running out of hot water is inconvenient at best, and a health risk at worst
  • Your family deserves reliable comfort and that means hot water when it's needed, always
Why Go Tankless?
RUR SE+Series

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
Tankless 101

The Rinnai difference

  • 100-year commitment to quality, backed by the industry's best warranty
  • Financing options and rebates are available for most customers, making Rinnai tankless water heaters an even better value
  • National network of trained installers and the first to manufacture in the U.S.
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Businesses that depend on hot water rely on Rinnai.

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