Cranston Climate Zone & Energy Code

Climate Zone: IECC Climate Zone 5A (cold-humid). Cranston's established suburban location in southwestern Providence County shares Providence's climate: 9°F heating design and 88°F/74°F cooling design.

Energy Code & Manual J Requirement: Rhode Island State Building Code (IECC 2024). ACCA Manual J required for all HVAC permit applications in Cranston and surrounding communities.

Local Electric Utility: National Grid Rhode Island

Building Department: City of Cranston Building Department

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