HVAC Contractor Permit Requirements in Detroit, MI

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)

   $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

   Free·Immediate (online application)

   Free

   Immediate (online application)

1. Michigan Department of Licensing and Regulatory Affairs — HVAC Contractor License

   Michigan requires HVAC contractors to hold a Mechanical Contractor license from LARA. A qualifying individual must hold a Master Mechanical (HVAC) license. Applicants must pass a state exam and maintain $500,000 in liability insurance and workers' compensation.

   Official government source

   $250 (contractor license) + $100 (master license exam)·6–12 weeks

   $250 (contractor license) + $100 (master license exam)

   6–12 weeks

1. Detroit Buildings, Safety Engineering and Environmental Department — Mechanical Permit

   Detroit requires a mechanical permit for HVAC installation issued by BSEED. HVAC contractors must be licensed and registered with the City of Detroit.

   Official government source

   $100–$500 per project·2–4 weeks

   $100–$500 per project

   2–4 weeks

Official Sources

• Detroit BSEED — Mechanical Permits
• Michigan LARA — Mechanical Contractors

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