Oklahoma HVAC License Requirements

Official classification: Mechanical License (HVAC/R) · Issued by the Oklahoma Construction Industries Board.

❄️ HVACOK ✔ Verified 2026-06-26

In Oklahoma, HVAC contractors must hold the Mechanical License (HVAC/R), issued by the Oklahoma Construction Industries Board, and a $5,000 surety bond is required. Full requirements — experience, exams, fees, insurance, renewal and reciprocity — are detailed below.

How to become a licensed HVAC contractor in Oklahoma

Follow these steps to earn your Mechanical License (HVAC/R). Every figure is verified against the Oklahoma Construction Industries Board; full detail for each step is further down the page.

  1. Build the required experience. Journeyman: 3 years work experience (2,000 hours/year) OR Associate's degree + 1 year experience OR vocational diploma (500-1,000+ hours) + 1-2.5 years experience depending on diploma hours. Contractor: Journeyman license plus 1 additional year experience as licensed journeyman (4 years total).
  2. Pass the Journeyman HVAC/R Unlimited Trade Exam and Journeyman HVAC/R Limited Trade Exam and Mechanical Contractor Trade Exam and Mechanical Contractor Business & Law Exam exams. Providers, passing scores and fees are in the Exams section below.
  3. Secure your surety bond. Oklahoma requires $5,000 corporate surety bond payable to Oklahoma Construction Industries Board.
  4. Line up insurance. You'll need liability insurance ($50,000 minimum commercial general liability), and workers' compensation coverage.
  5. Submit your application and fees. Apply through the Oklahoma Construction Industries Board — $25 for journeyman; $30 for contractor application fee, plus a $50 for journeyman; $300 for contractor license fee. Processing time: Not publicly disclosed; recommend 4-6 weeks.
  6. Keep the license active. Renew every 3 years, completing 6 hours per 3-year renewal cycle.

License types

Requirements at a glance

Experience requiredJourneyman: 3 years work experience (2,000 hours/year) OR Associate's degree + 1 year experience OR vocational diploma (500-1,000+ hours) + 1-2.5 years experience depending on diploma hours. Contractor: Journeyman license plus 1 additional year experience as licensed journeyman (4 years total).
Application fee$25 for journeyman; $30 for contractor
License fee$50 for journeyman; $300 for contractor
Renewal fee$75 for journeyman; $200 for contractor every 3 years
Renewal periodEvery 3 years
Continuing education6 hours per 3-year renewal cycle
Bond required$5,000 corporate surety bond payable to Oklahoma Construction Industries Board
Liability insurance$50,000 minimum commercial general liability
Property damage
Workers' compRequired if employing one or more workers under Oklahoma Statutes Title 85A
Background checkNone publicly specified
Credit requirementNone publicly specified
ReciprocityNone
Processing timeNot publicly disclosed; recommend 4-6 weeks

Exams

Journeyman HVAC/R Unlimited Trade ExamProvider: PSI · Passing: 70% · Fee: $92
Journeyman HVAC/R Limited Trade ExamProvider: PSI · Passing: 70% · Fee: $92
Mechanical Contractor Trade ExamProvider: PSI · Passing: 70% · Fee: $92
Mechanical Contractor Business & Law ExamProvider: PSI · Passing: 70% · Fee: $92
Preparing for the HVAC exam? State-specific contractor exam-prep courses help you pass the first time. Start exam prep →

Local / municipal notes

Oklahoma has statewide mechanical licensing administered by the Construction Industries Board under Oklahoma Statutes Title 59 §1680.2. No separate municipal or local HVAC licensing authority.

Frequently asked questions

How much does a Oklahoma hvac license cost?

Application: $25 for journeyman; $30 for contractor. License: $50 for journeyman; $300 for contractor. Renewal: $75 for journeyman; $200 for contractor every 3 years.

Do hvacs in Oklahoma need a surety bond?

$5,000 corporate surety bond payable to Oklahoma Construction Industries Board

What experience is required for a Oklahoma hvac license?

Journeyman: 3 years work experience (2,000 hours/year) OR Associate's degree + 1 year experience OR vocational diploma (500-1,000+ hours) + 1-2.5 years experience depending on diploma hours. Contractor: Journeyman license plus 1 additional year experience as licensed journeyman (4 years total).

Is insurance required for hvacs in Oklahoma?

Liability: $50,000 minimum commercial general liability Workers' compensation: Required if employing one or more workers under Oklahoma Statutes Title 85A

How often must a Oklahoma hvac license be renewed?

Every 3 years. Continuing education: 6 hours per 3-year renewal cycle

Fees and rules change frequently (often annually). This page was last verified on 2026-06-26 — always confirm current requirements directly with the Oklahoma Construction Industries Board before applying. This is not legal advice.

Official sources

servicetitan.com/licensing/hvac/oklahoma
oklahoma.gov/cib/your-industry/mechanical.html
oklahoma.gov/cib/your-industry/mechanical/mechanical-contractor.html
oklahoma.gov/cib/your-industry/mechanical/mechanical-journeyman.html
oklahoma.gov/cib/your-industry/testing-and-exam-information.html
oklahoma.gov/cib/your-industry/active-contractor-requirements.html
oklahoma.gov/cib/your-industry/continuing-education.html
procore.com/library/oklahoma-contractors-license
oklahoma.gov/cib.html
rocketcert.com/construction/oklahoma

Other Oklahoma contractor licenses

⚡ Electrician
Electrical Journeyman and Electrical Contractor
🔧 Plumber
Plumber License
🏠 Roofer
Roofing Contractor Registration

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)
Ohio
Commercial Contractor (HVAC)
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