Dover Climate Zone & Energy Code

Climate Zone: IECC Climate Zone 4A (mixed-humid). Dover's central Delaware location and proximity to Delaware Bay produce persistent summer humidity and a climate with meaningful both cooling and heating demands.

Energy Code & Manual J Requirement: Delaware Residential Energy Code (IECC 2018). ACCA Manual J required for all residential HVAC permits in Kent County and Dover jurisdictions.

Local Electric Utility: Delmarva Power (Pepco Holdings)

Building Department: City of Dover Building Inspections

Local Trade Association: ACCA Mid-Atlantic Chapter / ASHRAE Delaware Valley Chapter