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Ohio HVAC License and Exam

License Requirements

Requirements to Obtaining your License

  • Passing the Business and Law Exam is required to be licensed.
  • Required to have prior approval from the State Board before testing.
  • Have 5 years documentable experience in the classification desired or have been an engineer with 3 years of business experience in the construction industry.
  • In addition to the $25.00 license fee, individuals must also send proof of $500,000 minimum contractor liability insurance
Work Under this License

Work that can be Done Under this License

A licensed HVAC contractor Ohio can perform all aspects of heating and cooling including fuel gas systems and appliances. This also covers all associated equipment and ductwork.

Applications for a License

Applying to get your License

Complete the license application accurately and mail it with a $25 application fee in the form of a check or money order made payable to the Treasurer, State of Ohio at the address listed above. The license application fee is nonrefundable. Upon receipt of your application, OCILB will determine your eligibility to take the examination.

Ohio Department of Commerce
Division of Industrial Compliance
Ohio Construction Industry Licensing Board
6606 Tussing Road, P.O. Box 4009
Reynoldsburg, OH 43068-9009
Telephone: 614-644-3493


Reciprocity Agreements

Agreements with Kentucky and Louisiana.

Continuing Education

Continuing Education

10 hours total per year.


Exam Details

  • 100 questions and a time limit of 4 hrs
  • Open Book
  • Exam requires a 70% to pass.
  • Topics on the examination includes: General knowledge, warm air and heating distribution, ventilation and exhaust systems, air conditioning, piping systems, equipment and appliances, testing and inspections.
  • Call PSI for testing info at 1-800-733-9267

Books and References for the Exam

These books are available for purchase from our online contractor’s bookstore or by calling our office at 1-800-952-0910.

The following references are allowed in the testing center:

  • Ohio Mechanical Code, 2011
  • International Fuel and Gas Code, 2009
  • Modern Refrigeration and Air Conditioning
Exam Review and Education

Exam Review, Training, Education

We offer review for the exam in an online format. The online exam review includes hundreds of questions and covers key concepts that you will be tested on. To enroll, click the following link or call our office toll free at 1-800-952-0910.

We also offer practice tests to help you pass the business and law exam. Both courses can be purchased together or separately.

Online Exam Review: $199

Buy Now, Online Training Buy Now, Reference Books

OH Exam Review

Ohio HVAC License and Exam Review

Online Exam Review

Study at home to pass your Ohio Exam today!

Buy Now

Course Includes:
  • HVAC Practice Tests
  • Highlighting Guides
  • Calculations
  • Test Taking Tips
  • Instructor Support
  • Licensing Information
  • iOS/Android Tablet and Smartphone Compatible
  • 1 Year of Access
  • Price: $199

Pricing Guarantee
If you find a competitor that offers a similar review at a lower price, we will beat their price.

No Pass, No Pay
If you are not able to pass your exam on the SECOND attempt, we will refund your course fee.  Conditions do apply.  Call for details.

Permanent Tabs Available:
  • Pre-Printed Tabs
  • Blank Tabs