RELIABLE TANKLESS WATER HEATERS

Get endless hot water and energy savings from the most reliable name in gas tankless water heaters. Whether for residential or commercial, interior or exterior, there's a Rinnai® tankless unit that can meet your demands. Browse models below.


Endless hot water: Put an end to rationing showers, dishes, laundry and more


Energy efficiency: Reduce energy usage by up to 40% and cut CO2 emissions


Space savings: Create more usable space with a suitcase-sized wall unit


Increased property value: Make your space more appealing to future buyers


Total confidence: Get peace of mind with the unsurpassed reliability of Rinnai



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Rinnai has the perfect endless hot water solution to meet your needs.


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Tankless Water Heaters

Super High Efficiency Plus

Delivering our most energy-efficient experience, the SE+ Series features a condensing design with two heat exchangers to maximize hot water output. Available for indoor or outdoor installations, all models are Wi-Fi ready. Our Super High Efficiency Plus featuring ThermaCirc360™ includes a built-in recirculation pump and thermal bypass valve and can provide faster hot water without a dedicated return line.  

Super High Efficiency Plus
Max Capacity Per Unit: Up to 4 fixtures
Energy Factor: Up to 0.96
Uniform Energy Factor: Up to 0.93
Recirculation capable
Wifi capable
Energy Star compliant
Recirculation Pump
Super High Efficiency Plus
Max Capacity Per Unit: Up to 4 fixtures
Energy Factor: Up to 0.96
Uniform Energy Factor: Up to 0.92
Recirculation capable
Wifi capable
Energy Star compliant
Super High Efficiency Plus
Max Capacity Per Unit: Up to 4 fixtures
Energy Factor: Up to 0.96
Uniform Energy Factor: Up to 0.93
Recirculation capable
Wifi capable
Energy Star compliant
Super High Efficiency

Our Super High Efficiency (SE) Series offer a uniform energy factor of .90, thanks to condensing technology. All of the RUCS and RUS models are Wi-Fi ready with indoor and outdoor solutions available.

Super High Efficiency
Max Capacity Per Unit: Up to 3 fixtures
Energy Factor: Up to 0.93
Uniform Energy Factor: Up to 0.90
Wifi capable
Energy Star compliant
Super High Efficiency
Max Capacity Per Unit: Up to 3 fixtures
Energy Factor: Up to 0.93
Uniform Energy Factor: Up to 0.90
Wifi capable
Energy Star compliant
High Efficiency Plus

Our HE+ models possess the advanced features found in our HE Series but are also equipped with Circ-Logic technology, enabling homeowners to set recirculation patterns that coincide with their hot water usage patterns. The RL Models are perfect for larger homes to light commercial applications.

High Efficiency Plus
Max Capacity Per Unit: Up to 4 fixtures
Energy Factor: Up to 0.82
Uniform Energy Factor: Up to 0.81
Recirculation capable
Wifi capable
High Efficiency Plus
Max Capacity Per Unit: Up to 4 fixtures
Energy Factor: Up to 0.82
Uniform Energy Factor: Up to 0.81
Recirculation capable
Wifi capable
High Efficiency

Our High Efficiency (HE) Series V Models offer up to an 82% efficiency rating and are perfect for medium to small sized homes. These compact models combine all the reliability you’ve come to expect from Rinnai with advanced features like Wi-Fi compatibility and MC-91-2US controller.

High Efficiency
Max Capacity Per Unit: Up to 4 fixtures
Energy Factor: Up to 0.82
Uniform Energy Factor: Up to 0.82
Wifi capable

Residential Hybrid Tank Tankless Water Heater

Hybrid Water Heating

The Rinnai RH180 Hybrid Tank-Tankless Water Heater is a unique combination blending the benefits of advanced technology and simple supply; it pairs an innovative, on-demand tankless system with an ample 40-gallon storage tank. By design, the system has a large capacity of hot water as well as technology to help maintain and quickly replenish the hot water supply.

Hybrid Water Heating
Wifi capable
Hybrid Water Heating