Connecticut Limited Heating, Cooling and Piping (S-3) Contractor License
The Limited Heating, Cooling and Piping (S-3) Contractor License allows you to do the alteration, repair, installation, replacement, or maintenance of:
- Oil burners
- Any Piping apparatus
- Accessories, appliances, or devices for:
- Boilers
- Heating systems
- Apparatus and piping for the generation or conveyance of:
- Steam
- Associated pumping equipment
- Also covers the installation of:
- Hot, chilled, and condenser water
- Steam piping in air conditioning systems
How to Get the Limited Heating, Cooling and Piping (S-3) Contractor’s License in Connecticut?
- Visit the CT Department of Consumer Protection (DCP) website to read the eligibility criteria, prerequisites, and documentation requirements for obtaining a Limited Heating, Cooling and Piping (S-3) Contractor License. Follow the process held in the Heating, Cooling and Sheet Metal Work, Hearth Product Work, Fuel Gas Work Licenses and the Heating Contractor Application
- Hold the necessary education requirements requested by the DCP
- Required courses for high school graduation or GED test
- Have held a CT Journeyperson's license for a total of two (2) years prior to applying
- Apply online, by visiting the State of Connecticut's eLicense website or submit by mail the Occupational Trade Contractor License Application to the DCP official email address
This email address is being protected from spambots. You need JavaScript enabled to view it. with the following documents:- Copy of respective Connecticut Journeyperson license for a minimum of two (2) years before the application
- Criminal Conviction Worksheet, when requested
- For military service experience and training related to this application, contact the CT Department of Labor at (860) 263-6128 to request a recommendation
- Receipt for payment of the non-refundable application fee by check and/or money order to the "Treasurer, State of Connecticut"
- When applying for equivalent experience and training, including all documentation that demonstrates experience and training for this license type:
- Contractor applicants holding "Out of State" License(s) shall provide:
- Work history and/or resume to include the number of years the Journeyperson license requires and an additional two years of on-the-job training and/or experience
Letters from a current or previous employer(s) with the following criteria:
- On company letterhead, dated, and notarized
Including dates of employment and a specific, detailed description of:
- On-the job-training
- Work experience, including all aspects of the scope of work applying for
- Do not submit W-2’s, 1099’s or tax returns for proof of your on-the-job training or work experience
Proof of business/experience as a contractor, including:
- Name of business and dates of ownership/contractor for your business
Two of the following documents:
- Reference letters from clients
- Suppliers
- Inspectors
- Permits issued to your business for work conducted
Proof of related instruction that meet or exceed those of the Limited Heating, Cooling and Piping (S-3) Contractor equivalency chart
- Copies of transcripts
- Diplomas
- Certificates for proof of completion
- On the job training and work experiences CAN NOT be considered in lieu of the required classroom training
- Certificate of apprenticeship completion in another state or jurisdiction
If out-of-state licenses are applicable, must include:
- Copies of all occupational trade licenses held in any state or jurisdiction
- Documentation including laws and regulations from that state or jurisdiction that reflect the requirements met to obtain these licenses
- Scope of work for these licenses
- Contractor applicants holding "Out of State" License(s) shall provide:
- Register for the Limited Heating, Cooling and Piping (S-3) administered by PSI© in the desired location and time and pay the examination fee after receiving the DCP examination approval (the exam must be taken within one year from the date of approval):
- Take and pass the Limited Heating, Cooling and Piping (S-3) and the Business and Law exams
- If both exams are passed, submit the license fee along with the exam passing score results to obtain the official contractor license
- Expect the official Limited Heating, Cooling and Piping (S-3) Contractor License issued by the Department of Consumer Protection
Connecticut Limited Heating, Cooling and Piping (S-3) Contractor License Exam Prep Courses
Connecticut Limited Heating, Cooling and Piping (S-3) Contractor License Exams
Below is all the information related to the trade and Business and Law exams, including the official reference lists.
Connecticut Limited Heating, Cooling and Piping (S-3) Contractor Trade Exam
- Testing Method: Computer-based testing; semi-open book
- Testing Company: PSI©
- Number of Questions: 60
- Types of Questions: Multiple choice
- Time Allowed: 2 Hours
- Minimum Passing Score: 70%
- Subjects Involved (No. of Questions):
- Chimneys, Flues, and Vents (2)
- Insulation (1)
- General Knowledge (5)
- Controls (3)
- Hydronics (5)
- Fuel Gas Systems (11)
- Oil Burners (7)
- Piping (6)
- Boilers (5)
- Combustion Air (2)
- Storage Tanks (3)
- Ducts (3)
- Heating and Chilled Water Equipment (3)
- OSHA Safety (4)
- PSI© Limited Heating, Cooling and Piping (S-3) Official Content Outline
Connecticut Limited Heating, Cooling and Piping (S-3) Contractor Business and Law Exam
- Testing Method: Computer-based testing; open book
- Testing Company: PSI©
- Number of Questions: 50
- Types of Questions: Multiple Choice
- Time Allowed: 2 Hours
- Minimum Passing Score: 70%
- Subjects Involved (No. of Questions):
- Licensing (5)
- Estimating and Bidding (7)
- Lien Law (2)
- Financial Management (4)
- Tax Laws (5)
- Labor Laws (5)
- Project Management (5)
- Contracts (6)
- Business Organization (2)
- Risk Management (4)
- Environmental and Safety (5)
- PSI© Business and Law Official Content Outline
Connecticut Limited Heating, Cooling and Piping (S-3) Contractor Book Set
This set of books includes all required references for the Limited Heating, Cooling and Piping (S-3) and Business and Law exams. Orders placed before 2 PM are shipped the same day via UPS and a tracking number is emailed before 3 PM.
CONNECTICUT LIMITED HEATING, COOLING AND PIPING (S-3) - BOOK SET WITHOUT TABS INCLUDES ALL BOOKS FOR TRADE AND BUSINESS EXAMS
Sales price: $1,458.75-
CONNECTICUT LIMITED HEATING, COOLING AND PIPING (S-3) - BOOK SET WITH TABS INCLUDES ALL BOOKS FOR TRADE AND BUSINESS EXAMS
Sales price: $1,558.75
Connecticut Limited Heating, Cooling and Piping (S-3) Contractor Exam Books
Books Allowed in Testing
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Establishes minimum regulations for mechanica...International Mechanical Code 2015
r719 1$106.62$106.62 -
NFPA 54, National Fuel Gas Code provides indu...NFPA 54 National Fuel Gas Code or National Fu
r891 1$91.25$91.25 -
NFPA 31, Standard for the Installation of Oil...NFPA 31 Standard for the Installation of Oil-
r957 1$177.44$177.44 -
This is a used book, used book pricing has be...Modern Refrigeration and Air Conditioning
r192 1$64.65$64.65 -
OSHA (CFR 29 Part 1926) is the leading safety...CFR (OSHA) Title 29 Part 1926 (1903 1904 1910
r84 1$30.00$30.00 -
Liquefied petroleum gas (LPG) storage, instal...NFPA 58 Liquid Petroleum Gas Code 2014
r1291 1$143.88$143.88 -
Apply the latest safe procedures for cleaning...NFPA 56 Standard for Fire and Explosion Preve
r861 1$200.25$200.25
Books Not Allowed in Testing
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Residential Oil Burners, 3E provides the know...Residential Oil Burners
r262 1$181.05$181.05 -
This book will help you learn how to use the ...Modern Hydronic Heating for Residential and L
r189 1$200.53$200.53 -
This manual is used for contractor license te...Steam Plant Operation
r718 1$146.66$146.66
Connecticut Limited Heating, Cooling and Piping (S-3) Business and Law Exam Book
Book Allowed in Testing
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NASCLA Contractors Guide to Business, Law and...Connecticut NASCLA Contractors Guide to Busin
r1084 1$116.42$116.42