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

Get More Leads and Close More Sales

When you become a PRO, Rinnai has tools to help you manage and market your business, plus rewards for joining and selling Rinnai.

Tools at Your Fingertips

Utilize our range of tools, from the Rinnai PRO app to on-the-job video assistance to help you track the needs of your customers.

Sell Products with Ease

Present Rinnai products and financing options that work best for each customer, with help from our sales and educational resources.

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

Contact Us

Professional Tool Belt

Need to register a customer’s product or access your dashboard?