Iowa City Climate Zone & Energy Code
Climate Zone: IECC Climate Zone 5A (cold-humid). Heating design -5°F, cooling design 91°F/76°F.
Energy Code & Manual J Requirement: Iowa adopted IECC 2012 as the state energy code. ACCA Manual J is required for all HVAC permit applications in Johnson County.
Local Electric Utility: MidAmerican Energy
Building Department: City of Iowa City Building Department
Local Trade Association: ASHRAE Iowa Chapter