Mark of the Z Heating, Ventilation, Air Conditioning and Duct Work Residential, Light Commercial and Manufacturing
Mark of the Z Heating, Ventilation, Air Conditioning and Duct Work        Residential, Light Commercial and Manufacturing

Licenses Held

Mark of the Z is a fully licensed and insured Mechanical Contractor.


Our Employees are highly skilled and trained HVAC technicans. Whom treat customers property with respect and care.


Michigan Mechanical License Classifications Held are:

1. Hydronics

2. HVAC Equipment

3. Ductwork

5. Limited Heating Service

7. Limited Refrigeration Service


Michigan Boiler Installing License:

Class 1B



Universal 608 Refrigerant Handeling License


For any service work or bids feel free to call 231-652-4328 or 231-834-5419

Our Service Vehicles are well stocked!


Mark of the Z Heating






AirQuest Heating And Cooling Equipment
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