Obtain Your License

Pursuing a career in the HVAC field? Study at home for your Michigan HVAC license exam with our fully online, user-friendly, and self-paced course.

  • Michigan Mechanical License – Books Only Package

    $1,001.93

    As of this time we do not offer any courses for this exam. We do offer all the required books for this exam here in one complete package. Individual books can be found in our bookstore. Please be sure to check back in the future for possible course material, as we are always adding to our course catalog.

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  • State Licensed Contractor Application Processing

    Michigan Application Processing

    $199.99

    @HomePrep Application Processing is here to ensure your application to become a state licensed contractor gets filled out correctly and promptly. We provide a professional service ensuring your privacy and comfort throughout the entire process. Following your purchase of the Michigan Application Processing our AP Coordinator will contact you to discuss the next steps. If you have any questions please call us at 800-952-0910. We look forward to working with you.

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Requirements To Complete

About This License

A HVAC/Refrigeration license enables a contractor to perform all aspects of heating, air conditioning, refrigeration, ductwork, ventilation, as well as gas piping to any heating apparatus or to appliances.

Requirements to Obtaining Your License

Must have a minimum of 3 years experience in 1 or more of the following work classifications under the supervision of a licensed contractor

  • Hydronic heating and cooling and process piping
  • HVAC equipment
  • Ductwork
  • Refrigeration
  • Limited heating service
  • Unlimited heating service
  • Limited refrigeration and air conditioning service
  • Unlimited refrigeration and air conditioning service
  • Specialty License
  • Solar
  • Solid fuel
  • LP tank and pipe
  • Underground tank and pipe
  • Gas piping
  • Gas piping and venting

(Up to one year of credit may be provided for graduation from or attendance at a recognized trade school)

  • Must take and pass the examination.
  • Must pay into the Construction Lien Recovery Fund

Applying For Your License

Application for Mechanical Contractor License Examination 127
Michigan Department of Labor & Economic Growth
Bureau of Construction Codes / Mechanical Division
P.O. Box 30255, Lansing, MI 48909
517-241-9325

Exam Details

  • The examination fee is $25.
  • The examination will consist of a written test for each work classification and a law test. The examination will cover the general theories and practices of specific work classifications, knowledge of the mechanical code and applicable laws. All questions are multiple-choice.
  • You must pass a 15 question test on the MECHANICAL CONTRACTOR’S LAW AND RULES,
    THE CONSTRUCTION CODE LAW AND RULES, AND BASIC SAFETY RULES.
  • You must pass a test for EACH work classification in which you choose to be licensed.
  • You must receive a score of at least 70% on EACH test taken in order to receive a passing grade.

Books and References for the Exam

The study materials for the law exam have been included in your packet.

All of the exams use the Michigan Mechanical Code as a reference.

HVAC equipment:

  • Michigan Mechanical Code and Michigan Residential Code
  • Standard HVAC Systems - Testing, Adjusting and Balancing, SMACNA
  • ACCA Manual D, Duct Design for Residential Winter and Summer Air Conditioning Equipment Selection
  • Manual J - Load Calculation for Residential Winter and Summer Air Conditioning
  • HVAC Duct Construction Standards-Metal and Flexible, SMACNA
  • Fibrous Duct Construction Standards, SMACNA
  • International Fuel Gas Code, International Code Council

Ductwork:

  • Michigan Mechanical Code and Michigan Residential Code
  • Manual D- Duct Design for Residential Winter and Summer Air Conditioning and Equipment Selection,
  • Manual J, Air Conditioning Contractors of America
  • Standard HVAC Systems - Testing, Adjusting and Balancing, SMACNA
  • HVAC Duct Construction Standards-Metal and Flexible, SMACNA

Refrigeration:

  • Michigan Mechanical Code and Michigan Residential Code
  • Safety Code for Mechanical Refrigeration

Limited heating service, Unlimited heating serviceLimited refrigeration and air conditioning serviceUnlimited refrigeration and air conditioning service

  • Michigan Mechanical Code and Michigan Residential Code

Gas piping:

  • Michigan Mechanical Code and Michigan Residential Code
  • International Fuel Gas Code, International Code Council

Exam Review Education

Please check back later, as we are always adding new training material.

Continuing Education

None at this time.

Reciprocity Agreement

There are no reciprocal agreements for this license as of this time.

How It Works

1

Obtain pre-approval from the state (if applicable).

2

Purchase Exam Prep materials.

3

Schedule and pass your state exams.

4

Submit to the state your application, licensing fee, and proof of insurance.