Rheem Tankless Water Heater EZ-Spec Sizing Software - Rheem Water Heaters

Products - EZ-Spec Commercial Sizing Software for Professionals

EZ-SpecTM tankless software is an advanced online tool that takes the guesswork of out of choosing the right model, number of units, and accessories needed to just about any commercial tankless installation. EZ-spec is simple-to-use and highly accurate.

Launch the EZ-Spec application now! (requires Internet Explorer 8 or higher).

Download it today.  Please run the Automatic Update after you install it.

EZ-Spec is an advanced tool for sizing many common commercial applications.  It runs a complex set of calculations to determine fixture/appliance usage, and determine the best tankless solution.  Years of industry experience in commercial and residential water heating have gone into this system to ensure the most accurate sizing possible for tankless water heaters.

EZ-Spec Desktop application has been discontinued, EZ-Spec online is being continuously updated to provide the most updated products and application sizing possible. EZ-Spec designed specifically for commercial applications and is not intended for single family applications.