Lafayette Climate Zone & Energy Code
Climate Zone: IECC Climate Zone 2A (hot-humid). Heating design 30°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 Lafayette Parish.
Local Electric Utility: Cleco / Entergy Louisiana
Building Department: City of Lafayette Permit Division
Local Trade Association: ACCA Louisiana