Kansas City Climate Zone & Energy Code

Climate Zone: IECC Climate Zone 4A (mixed-humid). Kansas City's Great Plains location produces hot, humid summers (97°F/75°F cooling design) and cold winters (4°F heating design) with exposure to both heat waves and Arctic cold fronts.

Energy Code & Manual J Requirement: Missouri has no mandatory statewide residential energy code. Many jurisdictions have voluntarily adopted IECC 2018 or earlier versions. ACCA Manual J is required where energy code is enforced. Confirm specific requirements with the AHJ for each project location.

Local Electric Utility: Evergy (Kansas City Power & Light / KCP&L)

Building Department: City of Kansas City Development Services Department

Local Trade Association: ACCA Missouri / ASHRAE Missouri Chapter / SMACNA Heartland