Bismarck Climate Zone & Energy Code

Climate Zone: IECC Climate Zone 7 (very cold). Bismarck's high plains central ND position produces extreme Arctic winters (-24°F heating design) and hot, dry summers (91°F/65°F cooling design) with very low latent loads.

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

Local Electric Utility: Montana-Dakota Utilities (MDU)

Building Department: City of Bismarck Building Inspection Division

Local Trade Association: PHCC North Dakota / ASHRAE Dakotas Chapter