Fort Wayne Climate Zone & Energy Code

Climate Zone: IECC Climate Zone 5A (cold-humid). Fort Wayne's northeast Indiana location produces cold winters (0°F heating design), hot humid summers (89°F/72°F cooling design), and genuine four-season HVAC demands.

Energy Code & Manual J Requirement: Indiana Residential Building Code (IECC 2018). ACCA Manual J required for Allen County HVAC permits.

Local Electric Utility: Indiana Michigan Power (AEP)

Building Department: City of Fort Wayne Planning & Development Department

Local Trade Association: ACCA Indiana Chapter / ASHRAE Indiana Chapter