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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EX22CTN EX_CT Model Series

EnergySaver

4.7/5 stars from 71 reviews

EX22CTN is a quick, flexible installed, ductless, natural gas, direct vent wall furnace from Rinnai; the perfect heating solution that seeks out cold spots and within seconds begins to gently heat the room or space for maximum comfort.

Warranty

8,200 BTU / (2.4 kW) (minimum)
21,500 BTU / (6.3 kW) (maximum)

Specifications Documentation Warrantyⁱ

Specifications

Manufacturer Trade Model Number - U.S.	EX22CTN
Product Depth	10.1 in / (257 mm)
Product Height	22.9 in / (589 mm)
Product Width	29.9 in / (760 mm)
Product Weight	57 lb / (26 kg)
Gas Type	Natural Gas
Central Heating Capacity	21,500 BTU / (6.3 kW)