Utah Building Energy Codes

Utah has adopted the 2018 IECC commercial chapter and 2015 IECC residential chapter as its mandatory code. Jurisdictions must update their building code to align with state adopted codes, and may not modify them unless they receive legislative approval. The commercial code is unamended and is on a three-year adoption cycle, while the residential code is modified to be less-efficient than the base code and is on a six-year adoption cycle.

Additional Information