The update cycle for the 2021 Illinois Energy Conservation Code has begun.

The update cycle for the 2021 Illinois Energy Conservation Code has begun.  The Illinois Code is based upon the 2021 International Energy Conservation Code.  CDB will be accepting amendment proposals to the Code until August 15, 2021. All amendments will be considered by the Illinois Energy Conservation Advisory Council (ILECAC) and must be submitted on a Public Code Change Proposal Form.   

Webpage announcement 2021 IECC proposals.pdf