Construction Trade Research Area

Connecticut
(S-9) Limited Heating Cooling Contractor

Apply for the License

Connecticut Department of Consumer Protection
Occupational & Professional Licensing Division

165 Capitol Ave.
Hartford, CT  06106
(800) 842-2649
www.ct.gov/dcp/

Exam Administrator

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

Exam Type

OPEN  BOOK

Exam Content

Subject Areas # of Questions
Insulation 2
Hangers and Supports 3
Sound, Vibration and Seismic Control 1
Heating and Cooling Principles 3
Refrigerants and Refrigeration 8
Testing, Adjusting and Balancing 3
Controls 5
A/C and Heat Pump Equipment 5
Furnaces and Heaters 5
Hydronics 2
Chimneys, Flues and Vents 5
Combustion Air 2
Fuel Gas Systems 10
Ducts 6
Ventilation and Exhausts 3
Safety 4
Oil Burners 6
Load Calculations 7

Total Number of Test Questions: 80
Time Allowed (hours): 3.0
Passing percentage: 70%
The state of Connecticut also requires that you take and pass a written Business Management exam for this trade.
Part of this exam requires knowledge of business management principles.  We offer those study materials on a separate Connecticut Business and Law web page.

 

Books Allowed in the Exam

1. Manual J - Residential Load Calculations, 8th Edition , Air Conditioning Contractors of America.  
2. International Mechanical Code - OR -International Mechanical Code Commentary, 2003, ICC.
3. NFPA 31: Standard for the Installation of Oil-Burning Equipment, 2006 Edition, NFPA.  
4. NFPA 54: National Fuel Gas Code - OR -National Fuel Gas Code Handbook, 2006, NFPA.  
5. ACCA Ductulator (Duct Slide Rule), Air Conditioning Contractors of America.  
6. Code of Federal Regulations - 29 CFR Part 1926 (OSHA), Revised as of 2004 or later - OR - (OSHA) Excerpts as of 2003 by PSI. Reference page
7. Modern Refrigeration and Air Conditioning, 18th Edition, 2004, Althous, Turnquist, Bowditch, Bracciana.  
8. HVAC Duct Construction Standards - Metal and Flexible, 3rd Edition, 2005, Sheet Metal and Air Conditioning Contractors' National Association.  

Books NOT Allowed in the Exam

1. Pipefitter's Handbook, 3rd Edition, 1967, Forest R. Linsey.  
2. Modern Hydronic Heating for Residential and Light Commercial Buildings, 2nd Edition, 2004, John Siegenthaler.  
3. Residential Oil Burners, 2nd Edition, 2001, Herb Weinberger.  

 

The following reference may be helpful as a study reference for your preparation for the examination. This reference is NOT a source reference for the examination
questions and is NOT permitted in the examination room during testing.
1. Refrigeration and Air Conditioning Technology, 2004, 5th Edition, W. C. Whitman and W. M. Johnson, Delmar ITP.  

 

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