2018 International Energy Conservation Code
With the closing down of the Energy part of the Illinois Department of Commerce and Economic Opportunity (DCEO)
At this time the Illinois EPA is taking care of the Illinois Energy Conservation Code with a Governmental agreement with the University of Illinois. The code change form can be found at: http://www2.illinois.gov/cdb/Pages/default.aspx
Here is a link to the IEPA Web page for Energy
The 2018 Illinois Energy Conservation Code is under review by the Illinois Energy Conservation Code Advisory Council and we are accepting amendments/code changes to the 2018.