Energy Simulator  ToolBase Services logo   NAHB logo

This energy simulator tool helps users evaluate annual energy consumption differences and their economic impact resulting from energy code changes. This tool is designed to serve home building associations, building code authorities and administrators, and home energy researchers.

In the following pages, users can input key factors including location, house size, foundation type, and utility costs, and use standard or custom energy codes to compare consumption and cost differences.

Log In

To begin an energy simulation, please register by entering a valid e-mail address, and password below. Be sure to use a current e-mail address, as you will be notified by e-mail when the results are available for review. We will not use your e-mail for any other purposes.

Returning users can enter their current login information below to review previously run simulations, or to start a new one.


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Forget your password?
Enter your e-mail address above and click the Forget your password link