Get Impact Estimator Software

The Impact Estimator for Buildings software is updated at least once a year. The current release is Version 5.5.01 (version 5.5 Build 0113.04).

See what's new in the latest version.

Windows Users

  1. Click one of the links below to download the most appropriate installation package for your version of Windows.
  2. Launch Windows Explorer and navigate to the folder where the ZIP file was downloaded.
  3. Extract the contents of the ZIP file.
  4. Enter the folder into which the ZIP file was extracted.
  5. Double-click the "setup_ie4b.exe" file to launch the application installation program.  DO NOT double-click the "msi" file.
  6. Follow the prompts to install the application.
  7. Restart the computer.

Mac users can now log on to the Athena server and run the software remotely. This turns the user’s Mac into an interface with the Athena system, providing seamless access to the Impact Estimator. This service is available at no cost.
Click here to learn more.


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