Salt Lake City Climate Zone & Energy Code

Climate Zone: IECC Climate Zone 5B (cold-dry). Salt Lake City's high-altitude (4,200 ft) Wasatch Front location produces hot, dry summers (97°F/62°F cooling design) and cold winters (5°F heating design). Both heating and cooling loads are significant.

Energy Code & Manual J Requirement: Utah Residential Building Code (IECC 2021). ACCA Manual J required for all Salt Lake County HVAC permit applications.

Local Electric Utility: Rocky Mountain Power (PacifiCorp)

Building Department: Salt Lake City Building Services Division

Local Trade Association: ACCA Utah / ASHRAE Utah Chapter / SMACNA Utah