Mich. Comp. Laws § 445.832

Sec. 2. As used in this act: (a) "Appliance" means a refrigerator, dehumidifier, freezer, oven, range, microwave oven, washer, dryer, dishwasher, trash compactor, or window room air conditioner. (b) "Customer" means a member of the general public who seeks the services of a service dealer for the repair, maintenance, or service of an appliance that he or she uses personally and not as part of a business or commercial enterprise. (c) "Service dealer" means a person that, for compensation, engages or offers to engage in repairing, servicing, or maintaining an appliance. Service dealer does not include a contractor that is licensed under article 8 of the skilled trades regulation act, MCL 339.5801 to 339.5819.