Bowling Green Climate Zone & Energy Code

Climate Zone: IECC Climate Zone 4A (mixed-humid). Bowling Green's south-central Kentucky position produces hot, humid summers (93°F/74°F cooling design) and meaningful winter cold (10°F heating design) with ice storm risk characteristic of the Tennessee Valley border region.

Energy Code & Manual J Requirement: Kentucky Residential Building Code (IECC 2009). ACCA Manual J required for Warren County HVAC permits.

Local Electric Utility: South Central Power / Warren RECC

Building Department: City of Bowling Green Building & Development Services

Local Trade Association: PHCC Kentucky / ASHRAE Kentucky Chapter