Download COMcheck™ Software

The latest Windows version of COMcheck is Version 3.7.0 (released November 2009).

Download COMcheck, Version 3.7.0
runs on Windows 2000, XP and Vista (16.6 MB)

Supported Codes:
IECC: 1998, 2000, 2001, 2003, 2004, 2006 and 2009.
ASHRAE/IES Standard 90.1: 1998, 1999, 2001, 2004 and 2007, and various state-developed energy codes.

See What's New in COMcheck for major changes in each new release.

The following states/jurisdictions have their own versions of the COMcheck software (Version 3.7.0) that include state specific examples and state contact information: Georgia, New Hampshire, New York. The generic COMcheck software above includes support for all of these state versions.

Most states can use COMcheck for energy code compliance. View map for details.

A Mac version of COMcheck is also available.

Download COMcheck, Version 3.7.0
runs on Mac OS X (11.8 MB)

Supported Codes:
IECC: 1998, 2000, 2001, 2003, 2004, 2006 and 2009.
ASHRAE/IES Standard 90.1: 1989, 1999, 2001, 2004 and 2007, and various state-developed energy codes.

Minimum system requirements: Apple Macintosh computer running Mac OS X 10.5.x or later (for 10.5.x Java 1.5.0 must be installed); at least 256 MB total RAM; at least 25 MB of disk space. space

See What's New in COMcheck MAC for major changes in each new release.

Linux Version

We recommend that Linux users use the webtools including COMcheck-Web. This version has been tested in Firefox and also works in Konqueror. We are interested in your feedback, please let us know if you have concerns.

View known problems in COMcheck.

Previous versions of COMcheck are available in the COMcheck Product Archive.

COMcheck Software User's Guide

The Software User's Guides are fully embedded in the online help messages, but are included here in printable form for those who prefer hard-copy documentation.

COMcheck Plan Review Quick Reference Guide

This Quick Reference Guide (PDF 94 KB) will take you, step-by-step, through a typical plan review of a COMcheck submittal.

Technical Support Documents

Technical Support Document for Version 3.6.1, of the COMcheck Software (PDF 1.41 MB)