100+ Free MI HVAC Practice Questions
Pass your Michigan Mechanical Contractor License (HVAC) exam on the first try — instant access, no signup required.
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Key Facts: MI HVAC Exam
70%
Passing Score
MI LARA
150 Q / 3 hrs
HVAC Equipment Exam
MI BCC
14
License Classifications
MI LARA
3 Years
Experience Per Classification
MI LARA
100 Q
Practice Questions Available
OpenExamPrep
About the MI HVAC Exam
The Michigan Mechanical Contractor licensing exam tests knowledge of HVAC equipment installation, ductwork, gas piping, refrigeration, hydronic systems, and the Michigan Mechanical Code. Michigan offers 14 classifications, with HVAC Equipment (150 questions) being the most comprehensive.
Questions
150 scored questions
Time Limit
3 hours (HVAC Equipment); 1 hour (other classifications)
Passing Score
70%
Exam Fee
Varies by classification (Michigan LARA, Bureau of Construction Codes (BCC))
MI HVAC Exam Content Outline
State Laws & Licensing
Michigan LARA/BCC regulations, 14 classifications, experience requirements, permits, and the Skilled Trades Regulation Act
Heating & Gas Systems
Gas furnaces, boilers, heat pumps, gas piping, venting, combustion analysis, and hydronic systems
Ductwork & Air Distribution
Duct design, sizing, fabrication, balancing, HRV/ERV, and Michigan Energy Code requirements
Mechanical Codes & Energy
Michigan Mechanical Code, IMC, IECC, clearances, venting, and energy efficiency standards
Safety & Business
OSHA, gas safety, CO detection, business management, contracts, and Michigan Construction Lien Act
How to Pass the MI HVAC Exam
What You Need to Know
- Passing score: 70%
- Exam length: 150 questions
- Time limit: 3 hours (HVAC Equipment); 1 hour (other classifications)
- Exam fee: Varies by classification
Keys to Passing
- Complete 500+ practice questions
- Score 80%+ consistently before scheduling
- Focus on highest-weighted sections
- Use our AI tutor for tough concepts
MI HVAC Study Tips from Top Performers
Frequently Asked Questions
How many classification exams does Michigan offer for mechanical contractors?
Michigan offers 14 different mechanical contractor classifications. Key ones include HVAC Equipment (150 questions, 3 hours), Ductwork, Refrigeration, Hydronic Heating and Cooling, and various service classifications.
What experience is needed for a Michigan Mechanical Contractor license?
You need 3 years or 6,000 hours of experience in each classification you apply for. A 2-year approved HVAC program can substitute for up to 1 year or 2,000 hours.
Is continuing education required for Michigan mechanical license renewal?
No. Michigan does not currently require continuing education for mechanical contractor license renewal. Licenses are renewed on a 3-year cycle.
What is the HVAC Equipment exam format?
150 multiple-choice questions with a 3-hour time limit. You need 70% to pass. All other classification exams are 55 questions with a 1-hour time limit.