HVAC Contractor Permit Requirements in Denver, CO

Complete permit and license guide for starting a hvac contractor in Denver, Denver County, Colorado.

$600 -- $2000 8–14 weeks to obtain all licenses 4 requirements

Not legal advice. Requirements may change — always verify with your local government authority before applying. Last verified: .

Denver / Denver County Requirements

1 requirement
1

City and County of Denver — Mechanical Permit

Denver requires a mechanical permit for HVAC installation and replacement projects. Permits are issued by Denver Community Planning and Development. Contractors must be registered with Denver.

$100–$500 per project2–4 weeks
Official government source

Colorado State Requirements

1 requirement
1

Colorado Department of Regulatory Agencies — HVAC Contractor License

Colorado requires HVAC contractors to hold a state license from the Colorado Department of Regulatory Agencies (DORA). Applicants must pass a state exam and carry liability insurance. Local jurisdictions (including Denver) may have additional licensing requirements.

$175 application fee + $75 exam fee6–10 weeks
Official government source

Federal Requirements

2 requirements
1

EPA Section 608 Technician Certification

Federal law requires all HVAC technicians who purchase or handle refrigerants to be certified under EPA Section 608 of the Clean Air Act. Certification is available in Type I (small appliances), Type II (high-pressure), Type III (low-pressure), and Universal categories. Certification is obtained through an EPA-approved testing organization such as ESCO Institute or NATE.

$20–$60 (exam fee)1–2 weeks (exam scheduling)
Official government source
2

EIN (Employer Identification Number)

Required if you have employees or operate as an LLC or corporation. Free from the IRS.

FreeImmediate (online application)
Official government source

Official Sources

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