Heating and Cooling Load Calculation Software

There are many software packages out there to help you calculate heat gain and heat loss. Some packages offer many additional features such as radiant system sizing, geothermal system sizing, duct design, business/sales modules, and much more. This page serves up reviews of some of the most popular HVAC software manufacturers out there to help you decide what is right for you. The stars associated with each software manufacturer are ratings given by our website visitors. If you have used any of these packages, please feel free to rate them.