Ohio HVAC License Requirements

Official classification: Commercial Contractor (HVAC) · Issued by the Ohio Construction Industry Licensing Board (OCILB).

❄️ HVACOH ✔ Verified 2026-06-25

In Ohio, HVAC contractors must hold the Commercial Contractor (HVAC), issued by the Ohio Construction Industry Licensing Board (OCILB), and no state surety bond is required. Full requirements — experience, exams, fees, insurance, renewal and reciprocity — are detailed below.

How to become a licensed HVAC contractor in Ohio

Follow these steps to earn your Commercial Contractor (HVAC). Every figure is verified against the Ohio Construction Industry Licensing Board (OCILB); full detail for each step is further down the page.

  1. Build the required experience. 5 years of documented HVAC work experience under a licensed contractor, or 3 years with a registered engineer credential
  2. Pass the HVAC Trade Exam and Business & Law Exam exams. Providers, passing scores and fees are in the Exams section below.
  3. Secure your surety bond. Ohio requires None required at state level (local jurisdictions may require; typically $10,000 in cities like Strongsville and Dayton).
  4. Line up insurance. You'll need liability insurance ($500,000 minimum general liability), and workers' compensation coverage.
  5. Clear the background check. State and federal criminal background clearance required
  6. Submit your application and fees. Apply through the Ohio Construction Industry Licensing Board (OCILB) — $25 application fee, plus a Included in application license fee. Processing time: Approximately 90 days (applications must be submitted at least 7 days before board meeting; board meets first Wednesday of each month).
  7. Keep the license active. Renew every 1 or 3 years (licensee chooses), completing 8 hours for 1-year renewal; 24 hours for 3-year renewal (up to half online through OCILB-approved providers).

License types

Requirements at a glance

Experience required5 years of documented HVAC work experience under a licensed contractor, or 3 years with a registered engineer credential
Application fee$25
License feeIncluded in application
Renewal fee$60 for 1-year renewal; $180 for 3-year renewal
Renewal periodEvery 1 or 3 years (licensee chooses)
Continuing education8 hours for 1-year renewal; 24 hours for 3-year renewal (up to half online through OCILB-approved providers)
Bond requiredNone required at state level (local jurisdictions may require; typically $10,000 in cities like Strongsville and Dayton)
Liability insurance$500,000 minimum general liability
Property damage
Workers' compRequired if you have employees (through Ohio Bureau of Workers' Compensation)
Background checkState and federal criminal background clearance required
Credit requirementNone
ReciprocityAlabama; Kentucky; Louisiana; Mississippi; Tennessee; South Carolina; West Virginia
Processing timeApproximately 90 days (applications must be submitted at least 7 days before board meeting; board meets first Wednesday of each month)

Exams

HVAC Trade ExamProvider: PSI · Passing: 70% · Fee: $69
Business & Law ExamProvider: PSI · Passing: 70% · Fee: $69
Preparing for the HVAC exam? State-specific contractor exam-prep courses help you pass the first time. Start exam prep →

Local / municipal notes

Ohio has no statewide surety bond requirement for HVAC contractors. Local jurisdictions (cities/counties) establish their own bonding requirements independently. Applicants must maintain EPA 608 Certification for refrigerant work. Licenses issued by OCILB; local departments handle residential work in some areas, though major cities like Columbus and Cleveland require state licensing even for residential projects.

Frequently asked questions

How much does a Ohio hvac license cost?

Application: $25. License: Included in application. Renewal: $60 for 1-year renewal; $180 for 3-year renewal.

Do hvacs in Ohio need a surety bond?

None required at state level (local jurisdictions may require; typically $10,000 in cities like Strongsville and Dayton)

What experience is required for a Ohio hvac license?

5 years of documented HVAC work experience under a licensed contractor, or 3 years with a registered engineer credential

Is insurance required for hvacs in Ohio?

Liability: $500,000 minimum general liability Workers' compensation: Required if you have employees (through Ohio Bureau of Workers' Compensation)

How often must a Ohio hvac license be renewed?

Every 1 or 3 years (licensee chooses). Continuing education: 8 hours for 1-year renewal; 24 hours for 3-year renewal (up to half online through OCILB-approved providers)

Fees and rules change frequently (often annually). This page was last verified on 2026-06-25 — always confirm current requirements directly with the Ohio Construction Industry Licensing Board (OCILB) before applying. This is not legal advice.

Official sources

servicetitan.com/licensing/hvac/ohio
nextinsurance.com/blog/hvac-license-in-ohio
lancesuretybonds.com/bonds-by-state/ohio/contractor-license-bonds
getjobber.com/academy/hvac-license/ohio
procore.com/library/ohio-contractors-license
rocketcert.com/construction/ohio/hvac-contractor-license

Other Ohio contractor licenses

⚡ Electrician
Electrical Contractor License
🔧 Plumber
Plumbing Contractor License

HVAC licensing in other states

Alabama
Heating, Air Conditioning & Refrigeration Contractor Certification
Arizona
CR-39 / C-39 / R-39R Air Conditioning and Refrigeration
Arkansas
HVAC-R Contractor License
California
C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
Connecticut
Unlimited Heating, Piping, and Cooling Contractor (S-1) / Unlimited Heating, Piping, and Cooling Journeyperson (S-2)
Florida
Air Conditioning Contractor (Class A / Class B)
Georgia
Conditioned Air Contractor License (Class I or Class II)
Hawaii
C-52 Ventilating and Air Conditioning Contractor / C-53 Refrigeration Contractor
Indiana
HVAC Contractor License
Iowa
HVAC-Refrigeration with Gas License
Kentucky
HVAC Contractor License
Louisiana
Mechanical Work (Statewide) classification
Maryland
HVACR Master / Master Restricted / Limited Contractor / Journeyman License
Massachusetts
No single HVAC license — work is licensed as Sheet Metal Worker, Refrigeration Technician/Contractor, Pipefitter (Heating & Cooling), or Oil Burner Technician depending on the task
Michigan
Mechanical Contractor License — HVAC Equipment Classification
Minnesota
Mechanical Contractor Bond Filing (state level) + Local Competency Card (city level)
Mississippi
Commercial HVAC Contractor (Mechanical Work – HVAC specialty) / Residential HVAC Contractor
Missouri
No statewide HVAC/mechanical license — licensed at the city/county level
Nevada
C-21 Refrigeration and Air Conditioning Contractor
New Jersey
Master HVACR Contractor License
New Mexico
MM-3 Heating, Ventilation and Air Conditioning Contractor
North Carolina
Heating Contractor — Group 1 / Group 2 / Group 3 (Class I / Class II)
Oklahoma
Mechanical License (HVAC/R)
Oregon
CCB Contractor License with a mechanical/HVAC specialty endorsement (Residential Specialty Contractor or Commercial Specialty Contractor)
South Carolina
Mechanical Contractor - Air Conditioning / Heating [commercial]; Residential Specialty Contractor - HVAC [residential]
Tennessee
Contractor License, CMC-C (HVAC, Refrigeration and Gas Piping) classification
Texas
Air Conditioning & Refrigeration Contractor License (Class A / Class B)
Utah
H100 HVAC Contractor (replacing the former S350 HVAC Contractor classification)
Virginia
Contractor License (Class A/B/C) with HVAC (HVA) specialty; plus individual HVAC Tradesman license (Journeyman/Master)
Washington
HVAC/R Specialty Contractor Registration + HVAC/Refrigeration Specialty Electrician Certificate (where electrical work is performed)
Wisconsin
HVAC Qualifier Certification + HVAC Contractor Registration