On March 9, 2016, the State Fire Prevention and Building Code Council completed major updates to the State Energy Conservation Construction Code. The Energy Code incorporates the 2015 IECC and ASHRAE 90.1-2013 by reference. The newly adopted energy code will became formally effective on October 3, 2016. There will be no transition period.
NYC adopted a City Specific Energy Code that has been implemented as a code option in COMcheck.