Pueblo Climate Zone & Energy Code

Climate Zone: IECC Climate Zone 5B (cold semi-arid). Pueblo's lower Front Range elevation (4,694') produces warmer summer cooling loads (97°F) than the Denver metro while maintaining cold winters (-3°F heating design). Pueblo is among the windiest cities in Colorado, significantly affecting infiltration and heating loads.

Energy Code & Manual J Requirement: Colorado IECC 2021. ACCA Manual J required for residential HVAC permits in Pueblo County and City of Pueblo jurisdictions.

Local Electric Utility: Black Hills Energy

Building Department: City of Pueblo Building & Development

Local Trade Association: ACCA Rocky Mountain Chapter