Rutland Climate Zone & Energy Code

Climate Zone: IECC Climate Zone 6A (cold-humid). Rutland's valley location in south-central Vermont produces very cold winters (-8°F heating design) and warm summers (87°F/71°F cooling design). Killington proximity drives vacation home market.

Energy Code & Manual J Requirement: Vermont Residential Building Energy Standards (RBES/IECC 2021). ACCA Manual J required for all Rutland County HVAC permit applications.

Local Electric Utility: Green Mountain Power

Building Department: City of Rutland Building & Zoning Department

Local Trade Association: PHCC Vermont