Ohio HVAC/Refrigeration License and Exam

Pursuing a career in the construction field? Study at home for your Ohio HVAC License and Exam with our fully online, easy to take, and self-paced course.

Ohio HVAC License and Exam
Steps to Success

1. Obtain pre-approval from the State to exam.
2. Purchase Exam Prep and Books.
3. Schedule and pass your State Exams.
4. Submit your application, licensing fee, and proof of insurance to the State.

Exam Review Option Includes
HVAC Practice Tests
Highlighting Guides
Test Taking Tips
Instructor Support
Licensing Information
iOS/Android Tablet and Smartphone Compatible
1 Year of Access

Course Fee: $199.00

About 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.


Our training is written by Subject Matter Experts and built by Instructional Designers.

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.

Flexible & Self Paced

Simply login and out as needed. We track your progress.

Mobile Compatible

Our training is built on HTML5 - so you can take it with on your tablet or smartphone.

Lowest Price

We will beat ANY price by 10% for a similar program.

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

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

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 or 2017 (Effective March 15, 2018, only the 2017 edition will be used)
  • International Fuel and Gas Code, 2015 (HVAC exam only, not allowed in the Ohio Refrigeration Exam)
  • Modern Refrigeration and Air Conditioning

Exam Details

  • HVAC Exam: 100 questions and a time limit of 4 hrs. Refrigeration Exam: 60 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

Continuing Education

10 hours total per year.

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 below. 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 Agreement

Agreements with Kentucky and Louisiana.

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