Buffalo Climate Zone & Energy Code

Climate Zone: IECC Climate Zone 6A (cold-humid). Buffalo's Lake Erie location produces cold winters (4°F heating design) moderated by the lake, heavy lake-effect snow, hot humid summers (88°F/71°F cooling design), and meaningful latent loads.

Energy Code & Manual J Requirement: New York Energy Conservation Construction Code (IECC 2024 basis). ACCA Manual J required for Erie County and Niagara County HVAC permits.

Local Electric Utility: National Grid

Building Department: City of Buffalo Permit & Inspection Services

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