The U.S. Department of
Energy’s (DOE’s) Building Energy Codes Program (BECP), with valued
assistance from the International Codes Council (ICC) and the
American Society of Heating, Refrigerating and Air-Conditioning
Engineers (ASHRAE), has prepared Building Energy Codes 101: An
Introduction. This guide is designed to speak to a broad audience with
an interest in building energy efficiency, including state energy officials,
architects, engineers, designers, and members of the public.