Fargo Climate Zone & Energy Code

Climate Zone: IECC Climate Zone 7 (very cold). Fargo's flat Red River valley location produces extreme Arctic winters (-22°F heating design), hot summers (89°F/71°F cooling design), and very high wind exposure that amplifies infiltration loads significantly.

Energy Code & Manual J Requirement: North Dakota State Building Code (IECC 2021). ACCA Manual J required for Cass County HVAC permits.

Local Electric Utility: Xcel Energy

Building Department: City of Fargo Planning & Development Department

Local Trade Association: PHCC North Dakota / ASHRAE Dakotas Chapter