Tankless Water Heating
Commercial-grade units with the industry's best warranty.

Learn About Tankless Tankless Truths™
Condensing

Rinnai’s super high-efficiency models offer sleek design, maximum output and an array of features ideal for the hot water demands of large homes.

RX Models

RXP Models

RUS Models

RUCS Models

RSC Models

RU Models

Non-Condensing

For small- to medium-sized new homes or remodels, Rinnai’s high-efficiency models are affordable, compact units you can count on.

RE Model Series

REP Model Series

RL Model Series

RLX Model Series

V Model Series

Accessories

Rinnai Central™ mobile app

Smart-Circ™ Recirculation

Venting & Accessories
Home Heating
Condensing Boilers

Rinnai Condensing Boilers deliver more efficient home heating than traditional boilers, while also providing domestic hot water.

I Series

Boiler Venting & Accessories
Direct Vent Furnace

Rinnai Direct Vent Furnaces use modulating technology to create energy-efficient warmth for the whole home.

Direct Vent Furnace Accessories
Vent-Free Fan Convectors

Rinnai Vent-Free Convectors push heat to the farthest reaches of the room, evenly warming larger spaces and maximizing cost-savings.
Hydronic Air Handler

The Rinnai Hydronic Air Handler System easily integrates with select tankless water heaters or boilers to deliver energy-efficient warmth.
Electric Water Heating
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Driving Tankless Growth in North America

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.

100 Years Built on Quality

Proudly Assembling in Griffin, GA

In 2018 Rinnai assembled its first tankless water heater in the United States in Griffin, Georgia. Our state-of-the-art facility was completed in 2021 with assembly of the new RE•Series™ Non-Condensing Tankless Water Heaters beginning in 2022.

Superior Ongoing Customer Support

Rinnai has a full network of trained installers to help with product selection, simple installation and services. Reach our Customer Care team at 1-800-621-9419. We are available Monday through Friday, 8 a.m. to 8 p.m. ET.

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Businesses that depend on hot water rely on Rinnai.

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