RHS80 Model Series

The Best Of Both Tankless And a Tank

Rinnai's Demand Duo™ Hybrid Water Heating System is a smart choice when you replace your tank. They’re Ultra Low NOx (ULX) compliant and 82% recovery efficiency. Plus you can't beat the longer life with this duo versus a stand-alone tank. Get the best of both worlds in one high-tech water heating solution!

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ENERGY SMART

Tankless water heaters use up to 40% less energy than traditional tank water heaters. It’s the smart water heating solution for your home.

CONTROL AT YOUR FINGERTIPS

Our enhanced Control-R™ 2.0 mobile app features timers and schedules throughout the day and even allows you to remotely put the system into vacation mode when you’re away.

FASTER HOT WATER DELIVERY

Rinnai Circ-Logic™ technology allows you to set recirculation patterns that coincide with your typical habits. Hot water is available when you need it, without the expense and inefficiency of circulating it during times of inactivity.

FLEXIBLE OPTIONS

Rinnai tankless water heaters are available using either natural gas or propane and for installation indoors or outside. You get the flexibility to choose the unit that works best for your home.

EFFICIENCY YOU CAN TRUST

Formerly Energy Factor ratings, the new industry standard of Uniform Energy Factor (UEF) measures energy efficiency in water heaters. The higher the number (up to 1.0), the better the performance efficiency.

SEAMLESS SERVICE

Our Rinnai Control-R™ wireless module and mobile app take convenience and flexibility to the next level. With it, Rinnai independent dealers seamlessly assist customers via remote diagnostics, ensuring maximum comfort and convenience.