Description
This Calculator quickly translates historical fuel consumption into a Design Heating Load.
You can access over 800 cities throughout the United States and Canada to obtain average Heating Degree-Days and Outside Design Temperatures, but you can also manually enter Heating Degree and Outdoor Design Temperatures, which is extremely useful for partial season data. You can access heating Degree-Day data here.
If you qualify as a geothermal contractor you may obtain this tool at no charge – Register Here.