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
(Up to one year of credit may be provided for graduation from or attendance at a recognized trade school)
Work that can be Done Under 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.
Applying to get 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
There are no reciprocal agreements for this license as of this time.
None at this time.
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.
Limited heating service, Unlimited heating service, Limited refrigeration and air conditioning service, Unlimited refrigeration and air conditioning service