Upgrade Your Home; Upgrade Your Life

Rinnai tankless hot water heaters are built to commercial-grade standards and each individual unit is tested for quality. So you may never need our industry-leading warranty and legendary support for the most important appliance in your home.

Tankless Benefits

Looking to learn more?
Visit our Tankless 101 page
for deeper information.

The Right Solution for Every Need

Super High-Efficiency

Sleek, modern design and a range of features and benefits to fully satisfy the hot water demands of larger homes.

  • ENERGY STAR® Certified
  • Highest Water Output Options
  • Advanced Features and Design


These compact units offer the reliability you’d expect from Rinnai with performance that’s ideal for small- to mid-sized homes.

  • Performance and Value Combined
  • Best for Small- to Mid-Sized Homes
  • Save Space and Energy

Tank/Tankless Hybrid

The smart choice when it's time to replace a standard tank. Rinnai's Demand Duo® combines tank and tankless technology and offers a longer lifespan.

  • Energy Smart and Efficient
  • Flexible Installation Ideal for Tank Replacement
  • Lasts Longer than Traditional Tank


  • Demand Duo®
  • Condensing
View Model

Compare Tankless Models

Uniform Energy Factor
ENERGY STAR® Qualified
Recirculation Technology
Quick-Access Services
Wi-Fi Capable
Super High-Efficiency (SE & SE+)
RUR SE+ SERIES Condensing RU SE+ SERIES Condensing RUCS / RUS SE SERIES Condensing
0.93 0.91-0.93 0.85-0.90

Circ-Logic Built In
Circ-Logic Capable
control•r™ Wi-Fi Included control•r™ Wi-Fi Capable
High-Efficiency (HE)
RL / RLX HE+ SERIES Non-Condensing V HE SERIES Non-Condensing
0.81-0.83 0.79-0.82
Circ-Logic Capable
control•r™ Wi-Fi Capable control•r™ Wi-Fi Capable
CHS13080H H-SERIES Condensing +80 gallon storage
Circ-Logic Capable
control•r™ Wi-Fi Capable
Professional Installation Recommended

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