Springfield Climate Zone & Energy Code

Climate Zone: IECC Climate Zone 4A (mixed-humid). Springfield's Ozark Plateau position produces hot summers with moderate humidity (95°F/74°F cooling design) and cold winters with ice storm risk (7°F heating design).

Energy Code & Manual J Requirement: Missouri varies by jurisdiction — Greene County and Springfield have adopted energy codes requiring Manual J. Christian County similarly requires Manual J. Confirm specific requirements with the AHJ for each project.

Local Electric Utility: City Utilities of Springfield (CU, City-owned)

Building Department: City of Springfield Building Development Services

Local Trade Association: ACCA Missouri