Warwick Climate Zone & Energy Code
Climate Zone: IECC Climate Zone 5A (cold-humid). Warwick's Narragansett Bay and Greenwich Bay waterfront exposure creates coastal climate conditions with higher wind loads and salt air (9°F heating design, 88°F/74°F cooling design).
Energy Code & Manual J Requirement: Rhode Island State Building Code (IECC 2024). ACCA Manual J required for all Kent County HVAC permit applications.
Local Electric Utility: National Grid Rhode Island
Building Department: City of Warwick Building Inspection Division
Local Trade Association: ACCA New England