Utah lawmakers adopt 2018 I-Codes
In February 2019 Utah lawmakers adopted the 2018 I-Codes (except the IRC and residential provisions of the IECC, residential remains a "hybrid" 2009/2012/2015 version - see House Bill 218 for details). The 2018 codes, including the commercial IECC – and by reference ASHRAE 90.1-2016 – effective in Utah on July 1, 2019.
Click here to read more about the Building Energy Codes Program.