El Paso Climate Zone & Energy Code

Climate Zone: IECC Climate Zone 3B (hot-dry). El Paso's Chihuahuan Desert position at 3,700' elevation produces hot, dry summers (100°F cooling design) and cold winter nights (22°F heating design). Unlike east Texas, humidity is low — sensible loads dominate; latent loads are minimal. Monsoon season adds brief humidity periods.

Energy Code & Manual J Requirement: Texas Energy Code (IECC 2015, Texas modified). ACCA Manual J required for residential HVAC permits in El Paso County and all El Paso area jurisdictions.

Local Electric Utility: El Paso Electric

Building Department: City of El Paso Inspections

Local Trade Association: ACCA Texas / ASHRAE West Texas Chapter