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

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

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 Heater

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

Direct Vent Heater 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.
Heat Pump Companion

The Rinnai Heat Pump Companion improves indoor comfort and energy efficiency while boosting the performance of your heat pump during peak demand.
Electric Water Heating
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Rinnai Press Releases

Get the latest news from Rinnai and stay up-to-date on our products, our services, and our people.

February 25, 2026

Joseph Gresham Joins Rinnai America Corporation as Vice President of Innovation

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February 11, 2026

Rinnai Defines the Next Era of Water Heating at IBS 2026

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January 29, 2026

Rinnai Sets the Standard for Water Heating at AHR Expo 2026

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October 16, 2025

Rinnai America Appoints Craig Bryan Vice President of Finance

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