Since 1889, quality and reliability have been a tradition at Ruud. The tradition continues today as we introduce innovative products to meet the needs of our customers.

Products - EZ-Spec Sizing Software for Professionals

hspace= EZ-Spec^TM 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.

Try it Online Here, with nothing to download or install. (requires Internet Explorer 6 or higher).

Or, for more advanced sizing program, download EZ-Spec for Windows Click Here (requires Windows XP SP2 or higher).