Cedar Rapids Climate Zone & Energy Code

Climate Zone: IECC Climate Zone 5A (cold-humid). Cedar Rapids's eastern Iowa location produces cold winters (-8°F heating design), hot humid summers (91°F/73°F cooling design), and consistent four-season HVAC demands.

Energy Code & Manual J Requirement: Iowa Residential Energy Code (IECC 2012). ACCA Manual J required for Linn County HVAC permits.

Local Electric Utility: Alliant Energy (Iowa Power & Light / IPL)

Building Department: City of Cedar Rapids Development Services Department

Local Trade Association: ASHRAE Iowa Chapter / PHCC Iowa