Michigan Unlimited Refrigeration and Air Conditioning Service Contractor License

The Unlimited Refrigeration and Air Conditioning Service Contractor License allows you to do the following work:

  • Refrigeration equipments
  • Air conditioning systems
  • Any system employing the refrigeration cycle
  • Equipments employing any refrigerant

How to Get the Unlimited Refrigeration and Air Conditioning Service 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 Unlimited Refrigeration and Air Conditioning Service 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.
      • Unlimited Refrigeration & Air Conditioning Service - Must have, Refrigeration, Limited Refrigeration or AC Service
  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 Unlimited Refrigeration and Air Conditioning Service Contractor License Exam Prep Course

  • 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 Unlimited Refrigeration and Air Conditioning Service Contractor License Exam

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

Michigan Unlimited Refrigeration and Air Conditioning Service 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:
    • Unlimited Refrigeration and Air Conditioning Service (air conditioning, refrigeration and air conditioning equipment, refrigeration cycle, performed troubleshooting & service on cooling and refrigeration equipment in both commercial and residential, group one refrigerants, serviced condensers, evaporators, cooling only roof top units, minisplits, deli cases, ice machines, walk and reach in coolers and freezers).
  • PSI©Unlimited Refrigeration and Air Conditioning Service Official Content Outline

Michigan Unlimited Refrigeration and Air Conditioning Service Contractor Book Set

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

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

    Sales price: $401.62
  • MICHIGAN UNLIMITED REFRIGERATION AND AIR CONDITIONING SERVICE - BOOK SET WITH TABS INCLUDES ALL BOOKS FOR TRADE AND BUSINESS EXAMS

    Sales price: $441.62

Michigan Unlimited Refrigeration and Air Conditioning Service Contractor Exam Books

Books Not Allowed in Testing