HVAC Permits in Colorado
Complete guide to HVAC permit requirements, energy code compliance, and building department information for contractors working in Colorado.
Colorado Energy Code Requirements
Understanding the energy efficiency standards that govern HVAC installations in Colorado
Current Energy Code
2021 IECC
Current Standard
Statewide energy efficiency requirements for HVAC systems, equipment, and building envelope performance.
Common Requirements
Important Note
Local jurisdictions may have additional requirements beyond the state energy code. Always verify specific compliance needs with your local building department.
HVAC Permits by City in Colorado
El Paso
Zone 5BEl Paso County • 36 ZIP codes
Denver
Zone 5BDenver County • 30 ZIP codes
Weld
Zone 5BWeld County • 29 ZIP codes
Jefferson
Zone 5BJefferson County • 26 ZIP codes
Arapahoe
Zone 5BArapahoe County • 18 ZIP codes
Larimer
Zone 5BLarimer County • 17 ZIP codes
Mesa
Zone 5BMesa County • 17 ZIP codes
Boulder
Zone 5BBoulder County • 16 ZIP codes
Adams
Zone 5BAdams County • 15 ZIP codes
Eagle
Zone 6BEagle County • 11 ZIP codes
Pueblo
Zone 5BPueblo County • 11 ZIP codes
Douglas
Zone 5BDouglas County • 9 ZIP codes
Park
Zone 7Park County • 9 ZIP codes
Gunnison
Zone 7Gunnison County • 9 ZIP codes
Routt
Zone 7Routt County • 8 ZIP codes
Rio Grande
Zone 7Rio Grande County • 8 ZIP codes
Morgan
Zone 5BMorgan County • 8 ZIP codes
Logan
Zone 5BLogan County • 8 ZIP codes
Las Animas
Zone 4BLas Animas County • 8 ZIP codes
Fremont
Zone 5BFremont County • 8 ZIP codes
Montezuma
Zone 5BMontezuma County • 8 ZIP codes
Yuma
Zone 5BYuma County • 7 ZIP codes
Delta
Zone 5BDelta County • 7 ZIP codes
Washington
Zone 5BWashington County • 6 ZIP codes
Kit Carson
Zone 5BKit Carson County • 6 ZIP codes
Teller
Zone 5BTeller County • 6 ZIP codes
Baca
Zone 4BBaca County • 6 ZIP codes
Otero
Zone 4BOtero County • 6 ZIP codes
Conejos
Zone 6BConejos County • 6 ZIP codes
Saguache
Zone 6BSaguache County • 6 ZIP codes
Montrose
Zone 5BMontrose County • 6 ZIP codes
Garfield
Zone 5BGarfield County • 6 ZIP codes
Elbert
Zone 5BElbert County • 5 ZIP codes
Clear Creek
Zone 7Clear Creek County • 5 ZIP codes
Lincoln
Zone 5BLincoln County • 5 ZIP codes
Prowers
Zone 5BProwers County • 5 ZIP codes
Costilla
Zone 6BCostilla County • 5 ZIP codes
San Miguel
Zone 6BSan Miguel County • 5 ZIP codes
Moffat
Zone 6BMoffat County • 5 ZIP codes
Pitkin
Zone 7Pitkin County • 5 ZIP codes
Summit
Zone 7Summit County • 4 ZIP codes
Jackson
Zone 7Jackson County • 4 ZIP codes
Cheyenne
Zone 5BCheyenne County • 4 ZIP codes
Kiowa
Zone 5BKiowa County • 4 ZIP codes
Crowley
Zone 5BCrowley County • 4 ZIP codes
Archuleta
Zone 6BArchuleta County • 4 ZIP codes
Gilpin
Zone 5BGilpin County • 3 ZIP codes
Phillips
Zone 5BPhillips County • 3 ZIP codes
Sedgwick
Zone 5BSedgwick County • 3 ZIP codes
Huerfano
Zone 5BHuerfano County • 3 ZIP codes
Bent
Zone 5BBent County • 3 ZIP codes
Alamosa
Zone 6BAlamosa County • 3 ZIP codes
La Plata
Zone 5BLa Plata County • 3 ZIP codes
Chaffee
Zone 6BChaffee County • 3 ZIP codes
Dolores
Zone 6BDolores County • 3 ZIP codes
Lake
Zone 7Lake County • 2 ZIP codes
San Juan
Zone 5BSan Juan County • 2 ZIP codes
Custer
Zone 6BCuster County • 2 ZIP codes
Ouray
Zone 6BOuray County • 2 ZIP codes
Rio Blanco
Zone 6BRio Blanco County • 2 ZIP codes
Broomfield
Zone 5BBroomfield County • 1 ZIP codes
Mineral
Zone 7Mineral County • 1 ZIP codes
Hinsdale
Zone 7Hinsdale County • 1 ZIP codes
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Frequently Asked Questions
Everything you need to know about HVAC permits and energy code compliance in Colorado
1What energy code does Colorado follow?
Colorado follows the 2021 IECC for energy efficiency requirements. This includes specific standards for HVAC equipment efficiency, duct design, and building envelope performance.
2Are Manual J calculations required in Colorado?
Most jurisdictions in Colorado require Manual J load calculations for proper HVAC system sizing. Our free load calculation tool can generate the professional reports you need for permits.
3How long does it take to get HVAC permits in Colorado?
Permit processing times vary by jurisdiction, typically ranging from 1-3 weeks. Having complete documentation including load calculations can speed up the process. Check with your local building department for specific timeframes.
4Do I need different permits for different types of HVAC work?
Yes, permit requirements vary based on the scope of work. New installations typically require mechanical permits, while simple repairs may not need permits. Replacements usually require permits if there are changes to the system capacity or ductwork.
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Get official IECC climate zone information, design temperatures, and R-value requirements for accurate Manual J calculations in Colorado.
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