Biloxi Climate Zone & Energy Code
Climate Zone: IECC Climate Zone 2A (hot-humid). Heating design 28°F, cooling design 93°F/80°F.
Energy Code & Manual J Requirement: Mississippi has no mandatory statewide energy code; local jurisdictions typically enforce IECC 2009. ACCA Manual J is required for all HVAC permit applications in Harrison County.
Local Electric Utility: Entergy Mississippi
Building Department: City of Biloxi Building Department
Local Trade Association: ASHRAE Mississippi Chapter / PHCC Mississippi