Mobile Climate Zone & Energy Code

Climate Zone: IECC Climate Zone 2A (hot-humid). Mobile's Gulf Coast location produces subtropical conditions with year-round high humidity, a very long cooling season, and mild winters. Latent cooling loads are among the highest in Alabama and rival Florida Gulf Coast markets.

Energy Code & Manual J Requirement: Alabama IECC 2015. ACCA Manual J required for residential HVAC permits. Mobile County and Baldwin County both enforce Alabama's state energy code. Coastal construction in hurricane-prone areas may involve impact window requirements that affect envelope performance inputs.

Local Electric Utility: Alabama Power (Southern Company)

Building Department: City of Mobile Building Department

Local Trade Association: ACCA Alabama Chapter / ASHRAE Mobile Chapter