HVAC Contractor Permit Requirements in Phoenix, AZ
Complete permit and license guide for starting a hvac contractor in Phoenix, Maricopa County, Arizona.
Not legal advice. Requirements may change — always verify with your local government authority before applying. Last verified: .
Phoenix / Maricopa County Requirements
1 requirementCity of Phoenix — Mechanical Permit
Phoenix requires a mechanical permit for HVAC installation from the City of Phoenix Planning and Development Department. HVAC contractors must hold a valid Arizona A-17 contractor license.
Arizona State Requirements
1 requirementArizona Registrar of Contractors — HVAC Contractor License (A-17)
Arizona requires HVAC contractors to hold an A-17 (Air Conditioning/Refrigeration) license from the Arizona Registrar of Contractors. Applicants must pass a state exam, provide proof of $500,000 liability insurance and workers' compensation coverage.
Federal Requirements
2 requirementsEPA 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.
EIN (Employer Identification Number)
Required if you have employees or operate as an LLC or corporation. Free from the IRS.
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