Climate zone.
Municipal Code of Chicago § 14N-C3-C301
in effect14N-C3-C301 Climate zone.
The provisions of Section C301 of IECC-CE are not adopted. The following is adopted as Section C301:
"C301 CLIMATE ZONE
C301.1 General.
Climate zone 5A shall be used to determine the applicable requirements in Chapter 4."
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2673235Fetched: 10/24/2026
