100+ Free CT HVAC Practice Questions
Pass your Connecticut Heating, Piping, and Cooling Contractor License (S-1) exam on the first try — instant access, no signup required.
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About the CT HVAC Exam
The Connecticut S-1 Unlimited Heating, Piping, and Cooling Contractor license exam covers IMC, NFPA 54, NFPA 31, OSHA standards, and Connecticut business law. The trade exam has 80 questions (3 hours) and the Business & Law exam has 50 questions (2 hours). Requires 2 years as a licensed S-2 journeyperson.
Questions
100 scored questions
Time Limit
5 hours (trade + B&L)
Passing Score
70%
Exam Fee
$300 (Connecticut Department of Consumer Protection (DCP))
CT HVAC Exam Content Outline
State Laws & Regulations
CT DCP licensing, Home Improvement Act, permit requirements, business law, and contractor obligations
Mechanical Codes
International Mechanical Code, NFPA 54, NFPA 31, combustion air, venting, and piping requirements
Trade Knowledge
Load calculations, duct design, refrigerant handling, equipment selection, and system commissioning
Safety & EPA Regulations
OSHA requirements, EPA Section 608, worker safety, fire safety, and environmental compliance
How to Pass the CT HVAC Exam
What You Need to Know
- Passing score: 70%
- Exam length: 100 questions
- Time limit: 5 hours (trade + B&L)
- Exam fee: $300
Keys to Passing
- Complete 500+ practice questions
- Score 80%+ consistently before scheduling
- Focus on highest-weighted sections
- Use our AI tutor for tough concepts
Frequently Asked Questions
How many questions are on the CT HVAC contractor exam?
The S-1 trade exam has 80 questions (3 hours) and the Business & Law exam has 50 questions (2 hours).
What score is needed to pass?
A score of 70% is required on both the trade and Business & Law examinations.
What experience is required?
You need 2 years as a licensed S-2 journeyperson to qualify for the S-1 contractor exam.