Lake Charles Climate Zone & Energy Code
Climate Zone: IECC Climate Zone 2A (hot-humid). Heating design 29°F, cooling design 94°F/80°F.
Energy Code & Manual J Requirement: Louisiana adopted IECC 2021 as the state energy code. ACCA Manual J is required for all HVAC permit applications in Calcasieu Parish.
Local Electric Utility: SWEPCO (Southwestern Electric Power / AEP)
Building Department: City of Lake Charles Building Department
Local Trade Association: ACCA Louisiana