White Plains Climate Zone & Energy Code

Climate Zone: IECC Climate Zone 4A (mixed-humid). Heating design 9°F, cooling design 91°F/74°F.

Energy Code & Manual J Requirement: New York adopted the New York State Energy Conservation Construction Code (IECC 2024). ACCA Manual J is required for all HVAC permit applications in Westchester County.

Local Electric Utility: Con Edison (Consolidated Edison)

Building Department: City of White Plains Building Department

Local Trade Association: ACCA New York / ASHRAE New York Chapter