The COMcheck software product group makes it easy for architects, builders, designers, and contractors to determine whether new commercial or high-rise residential buildings, additions, and alterations meet the requirements of the IECC and ASHRAE Standard 90.1, as well as several state-specific codes. COMcheck also simplifies compliance for building officials, plan checkers, and inspectors by allowing them to quickly determine if a building project meets the code.


Version 4.1.4 (Build Version: View Release Notes to see what's new in this version.
Technical Support Document for Version 3.9.1 of the COMcheck Software 

Additional Information: 

Supported Codes:
2009, 2012, 2015 and 2018 IECC.
ASHRAE Standard 90.1-2007, 2010, 2013, 2016
Various state-developed energy codes.

COMcheck™ for Windows® is available as a free download from the Department of Energy's EERE Building Energy Codes Program website. Additional information and support is provided there as well access to COMcheck-Web, the online version of the software.

Federal Agencies and Facility Criteria: