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

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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 Plus

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.
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.

April 10, 2025

Rinnai Applauds Bipartisan Senate Vote to Protect American Jobs, Consumers and Energy Efficiency

April 10, 2025

Rinnai America Announces New Commercial Business Structure Led by Newly Appointed Vice President of Commercial, James Woodruff

April 10, 2025

Rinnai America Appoints McKinley James Vice President of Operations

February 18, 2025

Rinnai Praises President Trump and New US Energy Secretary Wright’s Decision to Reverse Biden Era Rule That Would Have Banned One of its Most Popular Products.

Rinnai Press Releases

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