100+ Free CT HVAC Practice Questions

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Which Connecticut state agency oversees the licensing of heating, piping, and cooling contractors?

Connecticut Department of Labor

Connecticut Department of Consumer Protection (DCP)

Connecticut Department of Energy and Environmental Protection

Connecticut Department of Public Health

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Sample CT HVAC Practice Questions

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1Which Connecticut state agency oversees the licensing of heating, piping, and cooling contractors?

A.Connecticut Department of Labor

B.Connecticut Department of Consumer Protection (DCP)

C.Connecticut Department of Energy and Environmental Protection

D.Connecticut Department of Public Health

Explanation: The Connecticut Department of Consumer Protection (DCP), Occupational and Professional Licensing Division, is responsible for overseeing all heating, piping, and cooling contractor licensing in the state. The DCP administers examinations, processes applications, and enforces licensing requirements.

2What license designation does Connecticut assign to an Unlimited Heating, Piping, and Cooling Contractor?

A.S-2

B.S-1

C.S-7

D.S-8

Explanation: The S-1 license designation is for Unlimited Heating, Piping, and Cooling Contractors in Connecticut. The S-2 is for journeypersons, while S-7 and S-8 are limited heating license categories with restricted scopes of work.

3How many years of experience as a licensed journeyperson are required to apply for a Connecticut S-1 contractor license?

A.1 year

B.2 years

C.3 years

D.5 years

Explanation: Connecticut requires a minimum of 2 years of experience as a licensed journeyperson (S-2) to qualify for the S-1 Unlimited Heating, Piping, and Cooling Contractor license. This experience must be documented and verifiable.

4How many questions are on the Connecticut S-1 Unlimited Contractor trade examination?

A.50 questions

B.60 questions

C.80 questions

D.100 questions

Explanation: The Connecticut S-1 Unlimited Contractor trade examination consists of 80 questions with a 3-hour time limit. This exam is administered by PSI Testing Services and covers heating, cooling, piping, and related technical knowledge.

5What additional examination must all Connecticut heating, piping, and cooling contractor applicants pass beyond the trade exam?

A.Safety certification exam

B.Business & Law examination

C.Environmental compliance exam

D.Fire safety exam

Explanation: All Connecticut contractor license applicants must pass the Business & Law examination in addition to their trade exam. The Business & Law exam consists of 50 questions with a 2-hour time limit and covers business practices, Connecticut construction law, and regulatory compliance.

6When do Connecticut heating, piping, and cooling licenses expire annually?

A.December 31

B.June 30

C.August 31

D.March 31

Explanation: All Connecticut heating, piping, and cooling licenses expire on August 31st of each year. Licensees must renew their license before this date to maintain active status and continue performing HVAC work legally.

7What is the total application and initial license fee for a Connecticut heating, piping, and cooling contractor license?

A.$100

B.$200

C.$300

D.$400

Explanation: The total cost for a new Connecticut contractor license is $300, consisting of a $150 contractor application fee and a $150 initial license fee. These fees are payable to the Connecticut Department of Consumer Protection.

8Under Connecticut General Statutes Section 20-330, what defines the scope of work for an S-1 license holder?

A.Only residential heating systems under 100,000 BTU

B.All heating, piping, and cooling work without limitation

C.Commercial HVAC systems only

D.Heating systems excluding refrigeration

Explanation: Under Connecticut General Statutes Section 20-330, the S-1 Unlimited Heating, Piping, and Cooling Contractor may perform all heating, piping, and cooling work without limitation. This is the broadest scope of work available under Connecticut HVAC licensing.

9Which testing service administers the Connecticut HVAC contractor licensing examinations?

A.Prometric

B.Pearson VUE

C.PSI Testing Services

D.NIC Testing

Explanation: PSI Testing Services administers the Connecticut heating, piping, and cooling contractor licensing examinations on behalf of the Department of Consumer Protection. PSI provides computer-based testing at various locations throughout the state.

10What is the difference between a Connecticut S-1 and S-2 HVAC license?

A.S-1 is residential, S-2 is commercial

B.S-1 is contractor, S-2 is journeyperson

C.S-1 is limited, S-2 is unlimited

D.S-1 is temporary, S-2 is permanent

Explanation: The S-1 is the Unlimited Heating, Piping, and Cooling Contractor license, while the S-2 is the Unlimited Heating, Piping, and Cooling Journeyperson license. The key difference is that the S-2 journeyperson may only work while employed by a licensed contractor (S-1 holder).

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

25%

State Laws & Regulations

CT DCP licensing, Home Improvement Act, permit requirements, business law, and contractor obligations

25%

Mechanical Codes

International Mechanical Code, NFPA 54, NFPA 31, combustion air, venting, and piping requirements

30%

Trade Knowledge

Load calculations, duct design, refrigerant handling, equipment selection, and system commissioning

20%

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.