Why Rinnai?


For nearly 100 years, we at Rinnai have been fiercely committed to delivering nothing less than our absolute best. Through TEAMWORK, TECHNOLOGY AND INNOVATION, we’ve become one of the world’s largest gas appliance manufacturers, specializing in high-efficiency residential and commercial TANKLESS WATER HEATERS and HOME HEATING SOLUTIONS. With headquarters in Japan and a network of 20 subsidiaries and 86 sales offices in 13 countries, Rinnai’s presence and influence have a global impact.

With a pioneering history of creating value-added products in step with the demands of a changing world, Rinnai employs more than 600 research and development engineers. Their talent and vision is supported by an uncompromised focus on quality in design and manufacturing. Advanced automation and precision assembly processes make Rinnai’s manufacturing facilities an industry model for efficiency, and extensive inspection and testing protocols dictate that every product undergo a series of live fire testing before being shipped.

Throughout the world, our standards for quality remain unsurpassed. All Rinnai factories are ISO 9001 and/or ISO 14001 certified.

Established in 1974, our U.S. and Canadian operations continue to expand with employees engaged in sales, marketing, customer service, application engineering, technical support and more. In 2001, we opened our Peachtree City, Georgia office. Today this facility is a state-of-the-art distribution, research and training center. What’s more, Rinnai America is one of the few tankless water heater manufacturers with its own state-of-the-art CSA Certified Testing Laboratory, including CSA accredited lab technicians. All our products have been approved by the Canada Standards Association (CSA) and adhere to the strict standards of the American National Standards Institute (ANSI).

For Rinnai, reliability is a commitment to excellence that’s built into every product we make. The result is nothing less than the world’s most efficient, longest-lasting tankless water heaters and home heating solutions.

From the beginning, Rinnai America has continued a tradition of creating solutions that enhance the way people live. That tradition has grown even stronger today.

Thanks to superior design and engineering, Rinnai residential and commercial water heating and home heating solutions continually raise the standard in comfort, convenience and reliability. In fact, our commitment to building in quality at every level has made Rinnai Tankless Water Heaters the #1 selling tankless water heating brand in the U.S. and Canada.

Beyond manufacturing the highest quality tankless water heaters and home heating products, our people stand behind all that we make, before, during and long after installation. From 24/7/365 technical support for professionals, to our national network of independent installers, to on-staff engineers who can assist with choosing the right products and sizes—we’re inspiring confidence right along with the comfort our solutions provide.


Rinnai water heating and heating products are dedicated to a smarter kind of comfort.

With our precisely engineered tankless water heaters, you can count on Rinnai to deliver an endless supply of hot water whenever you need it – even for multiple tasks at the same time. Plus, they feature space-saving design and ultra-efficient performance for energy savings.

Efficiency and versatility have made Rinnai Tankless Water Heaters a hit with commercial applications, giving restaurants, hotels, schools, multifamily residences and others the reliable performance they need to meet demands and reduce operating costs.


No one can predict the future, but the past is a good gauge of things to come. Rinnai’s 100 years of superior engineering, innovation and quality inspire peace of mind that our products will stand the test of time.

Enhancing the Comforts of Home

With either Rinnai Tankless Water Heaters or the RH180 Hybrid Tank-Tankless Water Heater, homeowners can now have more hot water than they ever thought possible.

The innovation behind our high-efficiency water heaters provides an endless supply of hot water wherever and whenever it’s needed – even for multiple tasks at the same time. Showers and baths? Laundry and dishes? On-demand heating means hot water is always available, so prioritizing activities and scheduling water use is no longer necessary.

Because they operate on an as-needed basis, Rinnai Tankless Water Heaters can use up to 40 percent* less energy than traditional systems, which helps reduce utility costs. This efficient operation can also contribute to a favorable HERS rating and optimize LEED certification.

On top of efficiency, our tankless water heaters feature a copper heat exchanger for unparalleled quality, durability and safety. And their compact design offers substantial space savings in the home.

The RH180 Hybrid Tank-Tankless Water Heater harnesses the same on-demand tankless technology coupled with an efficient storage tank to deliver more hot water with less recovery time than a traditional tank. And professionals enjoy time and labor savings with quick and easy installation using standard tank connections.

The flexibility and convenience of endless hot water. The reliability of proven engineering. It’s everything homeowners need to feel comfortable.

For more information visit www.rinnai.us

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