Rochester Climate Zone & Energy Code

Climate Zone: IECC Climate Zone 6A (cold-humid). Rochester's Lake Ontario south shore location produces cold winters (5°F heating design), heavy lake-effect snow, and hot humid summers (88°F/71°F cooling design).

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

Local Electric Utility: Rochester Gas & Electric (RG&E / Avangrid)

Building Department: City of Rochester Bureau of Buildings

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