IC3 Version 4.0 is out! This new version supports IECC 2015 single family residential projects only. If you need to enter a 2009 or 2012 project, then remain on this site. Otherwise, click here:
IC3 version 4.0
Welcome! This is publicly accessible energy code compliance software based on the Texas Building Energy Performance Standards. You must register a username and password in order to continue. You may then access your records using your user name and password.
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