Rheem has been a trusted brand since 1930, offering high quality water heating products and reliable customer service for your lifestyle and peace of mind.

Contractor Specifier

Welcome Contractors, Specifiers and Installation Professionals!
Check out the extensive, online catalogs for residential and commercial products and water heater parts.

Rheem Van and Pick-up Truck Signage
From the minute you pull up in your customer’s driveway, the appearance of your service vehicle impacts your company’s image. We make it easy for you to look good! Whatever type of van or pick-up truck you have, Rheem has you covered. More

Technical Bulletins
Looking for specific information on trouble shooting a water heater problem or changing out a part?  Check out our technical bulletins section for answers. 

Service Contractor Application
We're always looking for trusted service contractors to provide in-warranty and out-of-warranty service for our various lines of residential, tankless and commercial water heaters.  For more information about becoming a Rheem service contractor please contact our Contractors Services department.

Commercial Water Heater Sizing Guide
The Certispec automated sizing program is the best and quickest way to spec Rheem/Ruud Commercial Water Heaters. This software is free from Rheem Water Heating. It's the only sizing tool you'll ever need for a tank style water heater.

Tankless Water Heating Sizing Guide
EZ-Spec tankless sizing software takes the guesswork out of choosing the right model, number of units, and accessories needed for a tankless installation.  It is simple-to-use and highly accurate.