Augusta Climate Zone & Energy Code

Climate Zone: IECC Climate Zone 6A (cold-humid). Augusta's midcoast-inland position produces colder winters than Portland (-2°F vs. 2°F heating design) and warmer summers than Bangor. Both heating and cooling loads require careful calculation.

Energy Code & Manual J Requirement: Maine Uniform Building and Energy Code (MUBEC), IECC 2021 base. ACCA Manual J required for residential HVAC permits in Kennebec County.

Local Electric Utility: Central Maine Power (CMP / Avangrid)

Building Department: City of Augusta Code Enforcement Office

Local Trade Association: PHCC Maine / ASHRAE Maine Chapter