Fayetteville Climate Zone & Energy Code
Climate Zone: IECC Climate Zone 3A (mixed-humid). Fayetteville's coastal plain position produces hotter, more humid conditions than Piedmont NC — 95°F/77°F cooling design and 22°F heating design. Summer heat and humidity are the primary HVAC design drivers.
Energy Code & Manual J Requirement: North Carolina Energy Code (IECC 2015). ACCA Manual J required for residential HVAC permits in Cumberland County and all Fayetteville area jurisdictions.
Local Electric Utility: Duke Energy Progress
Building Department: City of Fayetteville Inspections & Permits Division
Local Trade Association: ACCA Carolina Chapter