Construction Trade Exam Research Area

(S-1) Unlimited Heating, Piping,
and Cooling Contractor

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Connecticut Department of Consumer Protection
Occupational & Professional Licensing Division

165 Capitol Ave.
Hartford, CT  06106
(800) 842-2649
Licensing Site

Exam Administrator

PSI Licensure : Certification
3210 E. Tropicana
Las Vegas, NV 89121
Phone: (800) 733-9267
Candidate Information Web Page

Exam Type


Exam Content

Subject Areas # of
Insulation 1
Hangers and Supports 2
Sound, Vibration and Seismic Control 1
Heating and Cooling Principles 3
Refrigerants and Refrigeration 5
Testing, Adjusting and Balancing 3
Controls 4
Machine Room 1
A/C and Heat Pump Equipment 3
Furnaces and Heaters 4
Hydronics 6
Chimneys, Flues and Vents 5
Combustion Air 2
Fuel Gas Systems 10
Ducts 6
Chillers 2
Ventilation and Exhaust 2
Safety 4
Oil Burners 6
Load Calculations 7
Boilers 3

Total Number of Test Questions: 80
Time Allowed (hours): 3.0
The state of Connecticut also requires that you take and pass a written Business Management exam for this trade

Go to Business and Law Offering

Books Allowed in the Exam

1. Manual N - Commercial Load Calculation, 5th Edition, 2008, ACCA. Buy at Amazon
2. International Mechanical Code - OR - International Mechanical Code Commentary, 2003 thru 2009 Editions, ICC. Doc Link
3. NFPA 31: Standard for the Installation of Oil-Burning Equipment, 2006 or 2011 Edition, NFPA. NFPA Link
4. NFPA 54: National Fuel Gas Code, 2012, NFPA. NFPA Link
5. Code of Federal Regulations - 29 CFR Part 1926 (OSHA), Revised as of 2013 - OR - (OSHA) Excerpts as of 2013 by PSI. Buy from PSI
6. Modern Refrigeration and Air Conditioning, 19th Edition, 2013, Althous, Turnquist, Bowditch, Bracciano. Buy at Amazon
7. ACCA Ductulator (Duct Slide Rule), ACCA. Buy from PSI
8. HVAC Duct Construction Standards - Metal and Flexible, 3rd Edition, 2005, SMACNA. Buy at Amazon
9. NFPA 58: Liquefied Petroleum Gas Code, 2014, NFPA. NFPA Link


Books NOT Allowed in the Exam

1. Modern Hydronic Heating for Residential and Light Commercial Buildings, 2nd Edition, 2004, John Siegenthaler. Buy at Amazon
2. Residential Oil Burners, 3rd Edition, 2007, Herb Weinberger. Buy at Amazon
3. Steam Plant Operation, 9th Edition, 2011, Everett B. Woodruff, Herbert B. Lammers, Thomas F. Lammers. Buy at Amazon
The following reference may be helpful as a study reference for your preparation for the examination. This reference is NOT a source reference for exam questions and is NOT permitted in the examination room during testing.
1. Refrigeration and Air Conditioning Technology, 5th Edition, 2004, W. C. Whitman and W. M. Johnson, Delmar ITP. Buy at Amazon

Recommended Study Materials

Connecticut • (S-1) Unlimited Heating,
Piping, and Cooling Contractor
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Comprehensive Tutorial price More Information
Practice Tests ( 3 ) price More Information
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Recommended DVD Study Courses

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OSHA (2 disc set) price Link to disc description
Go to OSHA Resources

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