Building Codes Assistance Project

Anticipated Effective Date for ASHRAE/IESNA Standard 90.1-2004
ASHRAE/IESNA Standard 90.1-2004 will have an anticipated effective date of April 9, 2008.

For training and information on what has changed from the 2001 version, visit the New York State Department of State Building Energy Code Webpage.

For New York code status information, please consult the BCAP New York Code Status Page.