Topeka Climate Zone & Energy Code

Climate Zone: IECC Climate Zone 5A (cold-humid). Topeka's northeast Kansas location is colder than central Kansas — -1°F heating design reflects the colder classification, and heating system performance is a primary HVAC design consideration.

Energy Code & Manual J Requirement: Kansas Residential Energy Code (IECC 2018). ACCA Manual J required for Shawnee County HVAC permits.

Local Electric Utility: Evergy (Westar Energy)

Building Department: City of Topeka Building Inspection Division

Local Trade Association: PHCC Kansas