HVAC Contractor Permit Requirements in Annapolis, MD

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. Maryland Board of HVACR Contractors — HVACR License

   HVAC/R contractors in Maryland must be licensed by the State Board of Heating, Ventilation, Air Conditioning and Refrigeration Contractors (Maryland Department of Labor) under Business Regulation Article 9A and COMAR 09.15 — not primarily by MHIC. Licensing is tiered (apprentice, journeyman, master, limited) with experience-hour and exam requirements. Contractors who sign or approve HVACR contracts must carry general liability insurance of at least $300,000 and property damage coverage of at least $100,000, with the Board named as certificate holder.

   Official government source

   Set by the HVACR Board (tiered licenses) — confirm current fees; MHIC ($281.25) applies only if the firm separately does home-improvement work·6–10 weeks

   Set by the HVACR Board (tiered licenses) — confirm current fees; MHIC ($281.25) applies only if the firm separately does home-improvement work

   6–10 weeks

1. City of Annapolis Building Permit — Mechanical

   Annapolis requires a mechanical permit for HVAC installation and replacement work (City Code section 17.18.070). Permits are issued by the city's Planning and Zoning department through its Licenses and Permits Division via the Citizen Self Service portal. You must notify the department when the permitted work is complete so it can be inspected; failure to notify carries a fee, and reinspections are billed separately.

   Official government source

   Mechanical permit fee by estimated value of work (FY2027 schedule, effective July 1, 2026): $125.00 for $0-$7,000; $150.00 for $7,001-$10,000; $100.00 plus 0.6% of estimated value for work over $10,000. Reinspection $100.00 residential / $150.00 commercial; failure to notify of completion $50.00; investigation fee $75.00.·Not published as a fixed turnaround; confirm current mechanical permit review times with Annapolis permitting ([email protected]) or track the application in the city's Citizen Self Service portal

   Mechanical permit fee by estimated value of work (FY2027 schedule, effective July 1, 2026): $125.00 for $0-$7,000; $150.00 for $7,001-$10,000; $100.00 plus 0.6% of estimated value for work over $10,000. Reinspection $100.00 residential / $150.00 commercial; failure to notify of completion $50.00; investigation fee $75.00.

   Not published as a fixed turnaround; confirm current mechanical permit review times with Annapolis permitting ([email protected]) or track the application in the city's Citizen Self Service portal

Official Sources

• City of Annapolis Planning and Zoning
• Maryland Home Improvement Commission

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