Wichita Climate Zone & Energy Code

Climate Zone: IECC Climate Zone 4A (mixed-humid, transitional). Wichita's Great Plains location produces very hot, humid summers (99°F/74°F cooling design) and significant winter cold (4°F heating design), with high exposure to both summer heat waves and winter cold fronts.

Energy Code & Manual J Requirement: Kansas Residential Energy Code (IECC 2018). ACCA Manual J required for Sedgwick County and all Wichita metro HVAC permit applications.

Local Electric Utility: Evergy (Westar Energy)

Building Department: City of Wichita Planning, Housing & Community Development

Local Trade Association: PHCC Kansas / ASHRAE Kansas Chapter