(D-3) Limited Heating-Cooling Contractor
Apply for the License
Occupational & Construction Licensing Unit
450 Columbus Blvd, Suite 901
Hartford, CT 06103
(860) 713-6135DCP Licensing Site Link
|Subject Areas||# of|
|Refrigeration and Refrigerants||15|
|Piping and Tubing||6|
|Controls, Valves and Wiring||9|
|Tests, Inspection and Maintenance||6|
Total number of test questions:
Time allowed (hours):
In addition to the trade-specific examination, you may be required to pass the Business and Law Exam offered by PSI or take an "approved" Business and Law course
Books Allowed in the Exam
International Mechanical Code [or] International Mechanical Code Commentary, 2009, 2012 or 2015 Editions, ICC
Code of Federal Regulations, 29 CFR Part 1926 (OSHA), GPO [or] (OSHA) Selections by PSI
Modern Refrigeration and Air Conditioning, 19th or 20th Edition, Althous, Turnquist, Bowditch, Bracciano
Available Study Materials
Individual Book Title
The price is dependent on how many sets of questions you order and their content.
The file(s) you receive contain sample exam questions for the book title(s) above highlighted (light green) that you select in your order.
A 25% discount applies when ordering TWO (2) OR MORE BOOK TITLES.