Helping You Build Your Business
Serve customers better with the #1 in tankless with more than 100 years of history. We've proven our commitment to the quality, safety, and support behind everything we do, showing that it makes all the difference when working with our products.
100 Years Built on Quality
Proud U.S. Manufacturer
Rinnai is the first and only major tankless brand to have a manufacturing facility in the U.S. with advanced automation and precision assembly processes. All factories are ISO 9001 and/or ISO 14001 certified.
Helping You Grow Your Business
Superior Ongoing PRO Support
Need help on the job?
Call our tech support experts directly:
Have general Rinnai questions?
Call our Customer Care team at 1-800-621-9419
Monday - Friday: 8am - 8pm EST