Michigan Refrigeration Contractor License

The Refrigeration Contractor License allows you to do the following work:

  • Refrigeration piping
  • Systems employing the refrigeration cycle
  • Refrigeration equipment as:
    • Supermarket refrigeration
    • Industrial refrigeration
    • Biological materials
    • Food storage facilities

The Refrigeration Contractor License does not allow you to do the following work:

  • Portable self-contained units, such as:
    • Refrigerators
    • Dehumidifiers
  • Equipment of no more than 1.5 horsepower
  • Equipments exempted from the Michigan mechanical code

How to Get the Refrigeration Contractor's License in Michigan?

  1. Satisfy the criteria for licensure:
    • Be of good moral character.
    • Have at least 3 years or 6,000 hours of experience in the Refrigeration classification.
      • Include a thorough description of each previous work performed, along with its corresponding dates, employers, and length of work.
      • Include the types of equipment or systems worked on (e.g. venting and duct systems, types of refrigerants, tonnage, etc.).
    • If adding a new classification to an existing license, you must have held the pre-requisite classification for not less than 3 years IMMEDIATELY preceding the date of your application to qualify to add a classification.
  2. Fill out an online application or send a completed paper form by mail to P.O. Box 30255, Lansing, MI 48909, along with the corresponding non-refundable application fee and the required documents.
  3. Expect a response from the corresponding Department and if approved PSI© will contact the applicant in order to schedule the examination.
  4. Take the exam(s).
  5. Upon successful completion of the exams, the testing company will notify the licensing board and a license will be issued.

Michigan Refrigeration Contractor License Exam Prep Courses

  • Login credentials emailed upon enrollment

    Unlimited access (no time limits)

    Lecture videos

    Practice questions

    Key concepts

    Step-by-step solutions to math problems

    $525.00
    $525.00

Michigan Refrigeration Contractor License Exam

Below is all the information related to the trade exam, including the official reference list.

Michigan Refrigeration Contractor Trade Exam

  • Testing Method: Computer-based testing
  • Testing Company: PSI©
  • Number of Questions: 55
  • Types of Questions: Multiple Choice
  • Time Allowed: 60 Minutes
  • Minimum Passing Score: 70%
  • Subjects Involved:
    • Refrigeration (commercial refrigeration equipment, systems employing the refrigeration cycle to generate low temperatures for other than air conditioning equipment and systems, codes and standards).
  • PSI© Refrigeration Official Content Outline

Michigan Refrigeration Contractor Book Set

This set of books includes all required references for the Refrigeration exam. Orders placed before 2 PM are shipped the same day via UPS and a tracking number is emailed before 3 PM.

  • MICHIGAN REFRIGERATION - BOOK SET WITHOUT TABS INCLUDES ALL BOOKS FOR TRADE AND BUSINESS EXAMS

    Sales price: $613.60
  • MICHIGAN REFRIGERATION - BOOK SET WITH TABS INCLUDES ALL BOOKS FOR TRADE AND BUSINESS EXAMS

    Sales price: $673.60

Michigan Refrigeration Contractor Exam Books

Books Allowed in Testing

Books Not Allowed in Testing