Carmel Software has been developing and selling HVAC mechanical engineering software since 1995. Our software includes programs for HVAC load calculations, duct sizing, refrigeration, pipe sizing, estimating, psychrometrics, and life-cycle cost analysis. We are located in the San Francisco Bay Area. Our clients include customers throughout the world, from the Fortune 500, the U.S. Government, and large multi-nationals.

In 2008, Autodesk, Inc. purchased a number of the engineering software assets of Carmel Software.