HVAC Contractor Permit Requirements in Birmingham, AL

Complete permit and license guide for starting a hvac contractor in Birmingham, Jefferson County, Alabama.

Updated 2026-03-15 6 stops $400–$1,500 est. 4–10 weeks to obtain all licenses
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Not legal advice. Requirements may change — always verify with your local government authority before applying. This guide was compiled from public and official sources (last updated ) and has not yet been independently source-verified — confirm each requirement before acting on it.

Federal — start here

1 stop

  1. 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 Alabama

2 stops

  1. Alabama Department of Revenue — Sales Tax License

    Required for all businesses selling tangible personal property or taxable services in Alabama. Alabama's state sales tax rate is 4%. Local city and county sales taxes are additional and can be significant (total rates range from 5–10%). Register with the Alabama Department of Revenue via My Alabama Taxes (MAT).

    Official government source

    Free1–5 business days (online via MAT)

  2. EPA Section 608 Certification (for refrigerant handling)

    Federal law requires that any technician who purchases or handles refrigerants must be certified under EPA Section 608. Certification is required for all work on equipment that uses refrigerants (air conditioners, heat pumps, refrigeration systems).

    Official government source

    $20–$100 (exam)1–2 days

City of Birmingham / Jefferson County

3 stops

  1. Alabama Electrical Contractors Board — HVAC Contractor License

    HVAC contractors in Alabama must hold an HVAC contractor license through the state licensing system. EPA Section 608 certification is required for refrigerant handling. Local business registration is also required.

    Official government source

    $150–$300 (initial)4–8 weeks

  2. City of Birmingham License and Revenue Division — Business License

    Birmingham requires an Occupational License for all businesses operating within city limits. License fees are based on gross revenues. The License and Revenue Division processes applications. This license must be renewed annually and displayed at your place of business.

    Official government source

    $50–$500/year depending on business type and gross revenues1–3 weeks

  3. Jefferson County / Birmingham Mechanical Permit (per project)

    A mechanical permit must be obtained from the local building department for each HVAC installation, replacement, or major repair. A final inspection is required upon completion.

    Official government source

    $75–$500 per project1–5 business days

Terminus

Open for business — est. $400–$1,500 · 4–10 weeks to obtain all licenses

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Official Sources

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