HVAC Contractor Permit Requirements in Phoenix, AZ

Complete permit and license guide for starting a hvac contractor in Phoenix, Maricopa County, Arizona.

Verified 2026-08-27 4 stops $600–$2,000 est. 8–14 weeks to obtain all licenses
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Not legal advice. Requirements may change — always verify with your local government authority before applying. Key agencies and fees on this page were re-checked against official government sources on .

Federal — start here

2 stops
  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.

    Official government source

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

  2. EIN (Employer Identification Number)

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

    Official government source

    FreeImmediate (online application)

State of Arizona

1 stop
  1. Arizona Registrar of Contractors — HVAC Contractor License (CR-39 Air Conditioning and Refrigeration)

    Arizona requires HVAC contractors to hold an ROC license in the air conditioning and refrigeration classification (CR-39 dual, or C-39 commercial / R-39 residential). Applicants need 4 years of qualifying trade experience, must pass the trade exam and the business management (Statutes & Rules) exam, and must post a surety bond set by license type and estimated annual volume (ARS 32-1152). Workers' compensation insurance is required if you have employees. Licenses renew every two years.

    Official government source

    Application/license fees vary by classification (statutory caps in ARS 32-1126) — see roc.az.gov/licensing-fees6–10 weeks

City of Phoenix / Maricopa County

1 stop
  1. City of Phoenix — Mechanical Permit

    Phoenix requires a mechanical permit for HVAC installation, issued by Phoenix Planning and Development Department. The installing contractor must hold an Arizona ROC license in an air conditioning and refrigeration classification (C-39, R-39, or CR-39; C-79-family licenses additionally cover solar).

    Official government source

    Varies by project valuation — see the Phoenix Planning and Development Department fee schedule2–4 weeks

Terminus

Open for business — est. $600–$2,000 · 8–14 weeks to obtain all licenses

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