Why Rinnai

100 years of smart comfort

Through nearly 100 years of innovation, including decades of commercial water heating experience, we at Rinnai have enhanced the way businesses operate. With headquarters in Japan and a network of 20 subsidiaries and 86 sales offices in 13 countries, this commitment has made us the number one selling brand of tankless water heater systems. Dedicated to a smarter kind of comfort, our value-added products continue to stay in step with the demands of a changing world.

The highest standards of quality

  • Rinnai employs more than 600 research and development engineers, all focused on uncompromising quality in design and manufacturing
  • Advanced automation and precision assembly processes have made our manufacturing facilities an industry model for efficiency
  • Every product undergoes a series of live testing before shipping
  • Rinnai America is one of the few tankless water heater providers with its own state-of-the-art Canadian Standards Association (CSA) Certified Testing Laboratory, including CSA accredited lab technicians
  • All products distributed in North America have been approved by the CSA and adhere to the strict standards of the American National Standards Institute (ANSI)