Saint Paul Climate Zone & Energy Code

Climate Zone: IECC Climate Zone 6A (cold-humid). Saint Paul's climate is nearly identical to Minneapolis — -16°F heating design and hot, humid summers (91°F/73°F cooling design) — requiring systems designed for both extremes.

Energy Code & Manual J Requirement: Minnesota Energy Code (IECC 2012 basis). ACCA Manual J required for Ramsey County HVAC permits.

Local Electric Utility: Xcel Energy

Building Department: City of Saint Paul Department of Safety & Inspections

Local Trade Association: ACCA Minnesota Chapter / ASHRAE Minnesota Chapter