Lewiston Climate Zone & Energy Code
Climate Zone: IECC Climate Zone 6A (cold-humid). Heating design -6°F, cooling design 87°F/71°F.
Energy Code & Manual J Requirement: Maine adopted IECC 2021 as the state energy code. ACCA Manual J is required for all HVAC permit applications in Androscoggin County.
Local Electric Utility: Central Maine Power (CMP / Avangrid)
Building Department: City of Lewiston Code Enforcement
Local Trade Association: PHCC Maine