Rinnai® Commercial Tankless Water Heaters

Continuous Hot Water. Continuous Savings.

When business heats up, you can count on Rinnai for continuous hot water and continuous support. Rinnai tankless water heaters provide all the hot water you need, only when you need it, saving you energy and money. And Rinnai is there to support you and your business every step of the way.

Rinnai Tankless Water Heaters deliver:

  • Reliable, endless hot water
  • Operation and energy savings of up to 50%
  • Banking of multiple units for redundancy and greater capacity while using less energy
  • Space-savings of up to 1500 sq. ft. by installing on interior or exterior walls
  • High-efficiency condensing and non-condensing models that ensure a quick return on investment


  • Inputs available from 120,000 to 237,000 btuh
  • 5.3 to 9.8 GPM
  • Indoor/Outdoor
  • ENERGY STAR Qualified except 9.8 GPM models

  • Restaurants
  • Hotels and Motels
  • Schools/Universities
  • Public Facilities
  • Event Venues
  • Nursing Homes
  • Car Washes
  • Laundromats
  • Industrial Facilities
  • And more