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Watts Radiant | Floor Heating & Snow Melting

RadiantWorks | Design Software

Watts Radiant has created a comprehensive heat loss calculation and design software package for radiant heat design projects. This software is easy to use and extremely accurate. As the designer, simply enter all project parameters and let RadiantWorks® do the dirty work.


  • Works in Windows XP Service Pack 2, Vista (32 and 64 bit), and Windows 7 (32 and 64 bit).
  • Calculate heat loss for each individual room
  • Calculate the required water temperature needed to provide enough heat for each room in a zone
  • Give you a detailed heat loss report for each room and zone
  • Flag possible design flaws
  • Print a complete materials list and give you a total dollar value in project cost before installation
  • Literally cut your radiant heat design time by hours

RadiantWorks® Professional

RadiantWorks® Professional is activated via email. Fill out our RadiantWorks Online Registration Form to get your Registration Key.

If you are a registered user and do not want to receive any further email communications concerning RadiantWorks, you can use our Opt-Out Form to cancel your notifications.

  • File Size: 66.4 MB
  • Build Version: 2019.
  • Release Date: 07/01/2019
  • Pricing Effective: 07/01/2019


Download the file to your local computer by clicking on the provided link and choosing "Save". Once the download is complete, unzip the file and double click SETUP begin installation.
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