Please Note: The following links are for residential software programs that generate home energy ratings or HERS* ratings. HERS ratings involve several levels of quality assurance through 3rd party inspections that meet the requirements of current energy codes and private sector financing through energy mortgages.
This information is current as of February 15th, 2021.
The Residential Energy Services Network or RESNET maintains a listing of nationally accredited HERS software tools. Here is the link:
There are additional energy modeling programs that are approved for calculating energy efficient home credits plus other rebate and incentive programs. Please visit the Energy.gov website for more information. Here is the link:
Energy mortgage information available at:
*HERS - Home Energy Rating System -- More information available at: RESNET.us