Jersey City Climate Zone & Energy Code

Climate Zone: IECC Climate Zone 4A (mixed-humid). Jersey City's Hudson River waterfront location is influenced by the river and bay — slightly different humidity and temperature profile than inland NJ, with persistent moisture from the water body.

Energy Code & Manual J Requirement: New Jersey Uniform Construction Code (IECC 2021 basis). ACCA Manual J required for all Hudson County HVAC permits.

Local Electric Utility: PSE&G (Public Service Electric & Gas)

Building Department: City of Jersey City Division of Construction Code Official

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