U.S. Department of Energy - Energy Efficiency and Renewable Energy
US Department of Energy Office of Energy Efficiency and Renewable Energy
Building Energy Codes Program
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Building Energy Codes Program

Download REScheck™ Software

The latest Windows version of REScheck is Version 4.2.2 (released May 2009).

Download REScheck for Windows, Version 4.2.2
runs on Windows 2000 and XP (18.3 MB)

Supported Codes: 1992, 1993, and 1995 MEC; the 1998, 2000, 2003 and 2006 IECC; 2006 IRC; and various state and county energy codes.


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

The following states/jurisdictions have their own versions of the REScheck software (Version 4.2.2) that include state-specific example files and state contact information: Arkansas, Louisiana, Georgia, Minnesota, New Hampshire, New York, Vermont, Wisconsin, Pima County, Arizona. The generic REScheck software above includes support for all of these state versions.

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

A MAC version of REScheck is also available.

Download REScheck for Macintosh, Version 4.2.0
runs on Mac OS X (8.8 MB)

Supported Codes: 1992, 1993, and 1995 MEC; the 1998, 2000, 2003 and 2006 IECC; 2006 IRC; and various state and county energy codes.

Minimum system requirements: Apple Macintosh computer running Mac OS X 10.3.9 or later (for 10.3.x Java 1.4.2 Update 5 must be installed); at least 256 MB total RAM; at least 16 MB of disk space

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

Linux Version

We recommend that Linux users use the webtools including REScheck-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 REScheck.
View the REScheck Product Archive for previous releases of Windows versions.

REScheck Software User's Guide

The Software User's Guide (PDF 548 KB) is fully embedded in the online help messages, but is included here in printable form for those who prefer hard-copy documentation. This guide was originally part of the discontinued MECcheck Workbook. Download Acrobat Reader

REScheck Plan Review Quick Reference Guide

This Quick Reference Guide (PDF 70 KB) will guide you, step-by-step, through a typical plan review process.

Technical Support Documents

Methodology for Developing the REScheck™ Software through Version 3.7 (PDF 472 KB)