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State Requirements

HVAC License Requirements
in Colorado

Everything you need to know about HVAC licensing in Colorado — from required certifications and exams to experience thresholds and application steps.

No State License RequiredEPA 608 Required

Key Takeaways

Colorado does not require a statewide HVAC license, but a federal EPA Section 608 certification is mandatory for anyone handling refrigerants. Local permits or registration may still apply.

  • State license: Not required statewide
  • EPA 608 certification: Required (federal)
  • Regulated by: Colorado Department of Regulatory Agencies (DORA)
Regulatory Authority
Regulatory Body
Colorado Department of Regulatory Agencies (DORA)
Visit Official Website →
Additional Notes
Colorado does not require a state HVAC license. Some local jurisdictions such as Denver and Colorado Springs require mechanical permits and may require contractor registration.
Data source: Licensing requirements sourced from official state regulatory body publications and verified against ACCA (Air Conditioning Contractors of America) state licensing guides. EPA Section 608 requirements per 40 CFR Part 82. Last verified: June 2026. Licensing rules change — always confirm requirements directly with Colorado Department of Regulatory Agencies (DORA) before applying.
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