American Contractors Exam Services instructor leading a contractor exam prep seminar with students using reference books
Live instruction, book tabbing, and exam-focused practice.
Custom Training Available OH HVAC / Mechanical Dates Available Course Retake Support

Ohio Refrigeration

A Refrigeration Contractor must have the knowledge to install, maintain, repair or alter any system of refrigeration unlimited to tons or horsepower provided, however, that such refrigeration is intended to be used for the purpose of food and product preservation and is not to be used for comfort systems.


Individuals wishing to become Refrigeration Contractors must be qualified to sit for the exam by being at least 18 years of age and a US citizen, having 5 years documentable experience in the classification desired or have been an engineer with 3 years of business experience in the construction industry, not have been convicted of or pleaded guilty to a misdemeanor involving moral turpitude or of any felony and  Pass the applicable examinations.

American Contractors Exam Services classroom seminar with instructor teaching contractors
Seminar Format

What Is Included in Your Seminar

  • Required-book list and tabbing guidance
  • American Contractors Exam Services study guide and workbook
  • Book navigation workshop
  • Practice questions and timing strategy
  • Instructor support during class
  • Post-registration support from American Contractors Exam Services

Required Books

The references listed below are permitted to be taken into the examination. These references may be tabbed (with a permanent index tab) and highlighted. They are available for purchase from our online bookstore or by calling 800-992-1910.

Add All Required Books to Cart ($353.95)

Additional Services

Ready to Register?

Choose a live date above or call American Contractors Exam Services to confirm the right seminar, book bundle, and exam path.

What Past Attendees Say

This two day course was the missing link I needed to pass the general contractors exam.
Jason C.
5-star Google review
With the help of their exam prep seminar I passed the licensing exam on the first try!
Jim C.
5-star Google review
I have taken classes here and they are worth it! All their instructors were very knowledgeable and helpful.
Amy G.
5-star Google review