helpful links

Building Codes Assistance Project

State energy code adoption maps, detailed information on state code history, statutes, and regulations.

Alliance to Save Energy

Leading national organization focused on advancing the economy and saving energy.

U.S. Department of Energy Building Energy Codes Program

Analyses of recent versions of IECC and ASHRAE Standard 90.1, ongoing research and collaboration on energy code development and implementation.

REScheck and COMcheck Compliance Software

Free compliance software for residential and commercial buildings, developed and supported by the U.S. Department of Energy.

International Code Council

Buy a copy of the IECC or other model building codes, or get involved in national code development.


Buy a copy of ASHRAE Standard 90.1 or other standards, or get involved in standard development.