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

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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 piping
  • Refrigeration equipment as:
    • Biological materials
    • Commercial refrigeration
    • Food storage facilities
    • Industrial refrigeration
    • Supermarket refrigeration
  • Systems employing the refrigeration cycle to generate low temperatures for other than air conditioning equipment and systems
  • Knowledge of the safety standards
  • Knowledge of the codes:
    • Residential
    • Mechanical
• 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 Contractor Exam Books

Books Allowed in Testing

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Books Not Allowed in Testing

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