Madison Climate Zone & Energy Code

Climate Zone: IECC Climate Zone 6A (cold-humid). Madison's inland Wisconsin location produces very cold winters (-9°F heating design) and warm, humid summers (90°F/73°F cooling design). Fast-growing market driven by UW-Madison and Epic Systems.

Energy Code & Manual J Requirement: Wisconsin Residential Building Code (IECC 2009). ACCA Manual J required for all Dane County HVAC permit applications.

Local Electric Utility: Madison Gas & Electric (MGE)

Building Department: City of Madison Building Inspection Division

Local Trade Association: ACCA Wisconsin / ASHRAE Wisconsin Chapter