HVAC Contractor Permit Requirements in Columbus, OH

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. 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

   $25 application fee + $25 license issuance fee per trade + PSI exam fees (~$69/section, up to 2 sections, ~$138 total) — total initial cost approximately $188; $60/year renewal thereafter·6–10 weeks

   $25 application fee + $25 license issuance fee per trade + PSI exam fees (~$69/section, up to 2 sections, ~$138 total) — total initial cost approximately $188; $60/year renewal thereafter

   6–10 weeks

1. Columbus Division of Building Services — Mechanical Permit

   Columbus requires HVAC contractors to obtain a mechanical permit from the Division of Building and Zoning Services for each installation project; fees vary by project scope. Contractors must first hold a state OCILB license, then register with the city (a separate one-time/annual registration fee applies, roughly $300–$350) before pulling permits.

   Permit fee varies by project (confirm with BZS); contractor registration ~$300–$350 separately·1–3 weeks

   Permit fee varies by project (confirm with BZS); contractor registration ~$300–$350 separately

   1–3 weeks

Official Sources

• Columbus Building Services
• Ohio Construction Industry Licensing Board

Related Guides