Davenport Climate Zone & Energy Code

Climate Zone: IECC Climate Zone 5A (cold-humid). Davenport's Mississippi River location moderates temperatures slightly compared to western Iowa — -4°F heating design (warmer than Des Moines's -6°F) and meaningful summer humidity requiring latent load consideration.

Energy Code & Manual J Requirement: Iowa Residential Energy Code (IECC 2012). ACCA Manual J required for Scott County HVAC permits. For Illinois side Quad Cities projects (Rock Island/Moline), Illinois IECC 2012 applies.

Local Electric Utility: MidAmerican Energy

Building Department: City of Davenport Community Planning & Economic Development

Local Trade Association: ASHRAE Iowa Chapter / PHCC Iowa