The #1 in Tankless in North America
Over our 100-year history, we've proven our commitment to the quality, safety, and support behind everything we do. We make it easy to pick the right tankless water heater to support a more satisfying lifestyle for you and your family.
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.
Businesses that depend on hot water rely on Rinnai.
Superior Ongoing Customer Support
Rinnai has a full network of trained installers to help with product selection, simple installation and services. Reach our Customer Care team at 1-800-621-9419. We are available Monday through Friday, 8 a.m. to 8 p.m. ET.Contact Us