HVAC Contractor Permit Requirements in Columbus, OH

Complete permit and license guide for starting a hvac contractor in Columbus, Franklin County, Ohio.

Updated 2026-03-15 4 stops $600–$2,000 est. 7–12 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

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 Ohio

1 stop

  1. Ohio Construction Industry Licensing Board — HVAC Contractor License

    Ohio requires HVAC contractors to hold a state Refrigeration Contractor or HVAC Contractor license from the Ohio Construction Industry Licensing Board (OCILB). Applicants must pass a state exam and provide proof of $500,000 liability insurance.

    Official government source

    $200 application fee + $75 exam fee6–10 weeks

City of Columbus / Franklin County

1 stop

  1. Columbus Division of Building Services — Mechanical Permit

    Columbus requires HVAC contractors to obtain a mechanical permit from the Columbus Division of Building Services for each installation project. Contractors must be registered with the city.

    $75–$400 per project1–3 weeks

Terminus

Open for business — est. $600–$2,000 · 7–12 weeks to obtain all licenses

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Official Sources

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