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HVAC Technician License Requirements in Michigan

Licensing AuthorityMichigan Department of Licensing and Regulatory Affairs, Bureau of Construction Codes, Mechanical Division (LARA/BCC)
License TypeMechanical Contractor
Experience RequiredMinimum 3 years of work experience under a licensed mechanical contractor. An associate degree can substitute for 1 year of experience. Must be at least 18 years old with a high school diploma or GED.
Education SubstituteAssociate degree can count for 1 year of the 3-year experience requirement
Exam RequiredYes — HVAC Equipment Exam + Other Classification Exams (Hydronic, Ductwork, Refrigeration, etc.) + Contractor Law, Construction Code Law & Safety Rules
Bond RequiredNo
InsuranceGeneral liability: recommended. Workers comp: required with employees
Continuing EducationNot required
Processing Time2-4 weeks

Fee Breakdown

Application Fee$300
Exam Fee$25
Est. Initial Total$325

Exam Requirements

HVAC Equipment Exam

150 questions180 minutesPass: 70%
HVAC equipment installationService and repairMichigan Mechanical Code

Other Classification Exams (Hydronic, Ductwork, Refrigeration, etc.)

55 questions60 minutesPass: 70%
Trade-specific knowledge per classification

Contractor Law, Construction Code Law & Safety Rules

15 questionsIncluded in exam timePass: 70%
Michigan mechanical contractor law and rulesConstruction code lawBasic safety rules

Exam provider: PSI

License Tiers

Mechanical Contractor (single classification)

3 years under a licensed contractor

Exam: Required

Mechanical Contractor (multiple classifications)

3 years under a licensed contractor; must pass separate exam for each classification

Exam: Required

Notes

  • 10 classification types: Hydronic Heating/Cooling, HVAC Equipment, Ductwork, Refrigeration, Limited Heating Service, Unlimited Heating Service, Limited Refrigeration & AC Service, Unlimited Refrigeration & AC Service, Fire Suppression, Specialty
  • Must pass a separate exam for each classification sought
  • EPA Section 608 certification is federally required for anyone handling refrigerants
  • $25 exam fee is per classification exam

Frequently Asked Questions

Do I need an hvac technician license in Michigan?

Yes, Michigan requires a statewide hvac technician license through the Michigan Department of Licensing and Regulatory Affairs, Bureau of Construction Codes, Mechanical Division.

How much does an hvac technician license cost in Michigan?

The estimated initial cost is $325, including application, exam, and license fees.

What experience do I need for an hvac technician license in Michigan?

Minimum 3 years of work experience under a licensed mechanical contractor. An associate degree can substitute for 1 year of experience. Must be at least 18 years old with a high school diploma or GED. Education substitute: Associate degree can count for 1 year of the 3-year experience requirement

What exams are required for an hvac technician license in Michigan?

You must pass the HVAC Equipment Exam and Other Classification Exams (Hydronic, Ductwork, Refrigeration, etc.) and Contractor Law, Construction Code Law & Safety Rules exams. A passing score of 70% is required. Exams are administered by PSI.

How long does it take to get an hvac technician license in Michigan?

Processing time is typically 2-4 weeks after submitting a complete application.

Is continuing education required for hvac technicians in Michigan?

No, Michigan does not currently require continuing education for hvac technician license renewal.

Data last verified: 2026-04-02 | Source: LARA/BCC