St. Petersburg Climate Zone & Energy Code

Climate Zone: IECC Climate Zone 2A (hot-humid). St. Pete's Tampa Bay peninsula position provides marine moderation — 92°F/78°F cooling design and 38°F heating design.

Energy Code & Manual J Requirement: Florida Building Code (Energy Conservation Chapter, IECC 2021). ACCA Manual J required for residential HVAC permits in Pinellas County and St. Petersburg jurisdictions.

Local Electric Utility: Duke Energy Florida

Building Department: City of St. Petersburg Permits, Inspections & Plans Review

Local Trade Association: ACCA Florida Chapter / ASHRAE West Coast Florida Chapter