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Nevada

(C-21) Refrigeration & Air Conditioning Contractor

Apply for the License
Nevada State Contractor‘s Board
2310 Corporate Circle, Suite 200
Henderson, NV  89074
Phone: (702) 486-1100
Exam Provider
PSI Services LLC
3210 E. Tropicana
Las Vegas, NV  89121
Phone:  (855) 205-5827
Exam Type
OPEN  BOOK
Exam Content
Subject Areas# of
Questions
Piping6
Insulation1
Hangers & Supports3
Sound, Vibration & Seismic Control1
Heating & Cooling Principles3
Refrigerants & Refrigeration7
Load Calculations6
Testing, Adjusting & Balancing3
Controls5
Machine Room1
A/C & Heat Pump Equipment4
Furnaces & Heaters4
Hydronics2
Chimneys, Flues & Vents5
Combustion Air2
Fuel Systems10
Ducts6
Evaporative Cooling2
Chillers3
Solar4
Ventilation & Exhausts3
Safety4
Total number of test questions:
85
Time allowed (hours):
3.0
Scope of Work

Construction, erection and installation of devices, machinery and units for the control of air temperatures below 50°F in refrigerators, refrigerated rooms and insulated spaces, and installation of any related insulation, ducts, blowers, registers, controls over humidity and thermostatic controls, lines for supplying natural gas from the unit to the point of connection in the existing line for natural gas at the meter or at any point thereafter, electrical service from the unit's device to protect against excessive current to the main electrical panel, but not the installation of other gas or electric services for the devices, machinery or units, the installation, repair, service and maintenance of equipment, devices, machinery, units and related ductwork which use evaporation, refrigeration, boilers or combustion for the control of air temperatures in structures where people live, work or assemble or animals are kept, the selection, cutting, shaping, fabrication and installation of sheet metal in such forms as cornices, flashings, gutters, leaders, downspouts for rainwater, pans, kitchen equipment, ducts, louvers, patented chimneys and metal flues, the repair and replacement of any parts of existing units or systems of air-conditioning and refrigeration, including the compressors, motors, relays, coils, heat exchangers and other appurtenances and equipment, but not the replacement of complete condenser assemblies on remote systems, air handlers or any work that may alter the design of an existing system, the installation of the collectors, piping, storage and other equipment used in the conversion of solar energy to energy used for the control of air temperatures, the installation of the chiller, piping, pumps, storage tanks, coils, cooling tower and other equipment used in the production and use of chilled water for the control of temperatures, the fabrication, installation, repair and removal of pipes, pumps, valves and other equipment used in the transfer of hot water for the control of temperatures.

This exam may also include questions on the following subjects:

  • Reading and interpreting construction codes and regulations
  • Nevada Health Department regulations
  • Appropriate building codes
  • Trade materials, tools, equipment and methods
  • Nevada Occupational Safety and Health Rules

In addition to the trade-specific examination, you are required to pass the Contractor Management Survey Exam offered by PSI.

Books Allowed in the Exam
1.
Uniform Mechanical Code, 2018, IAPMO
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2.
NFPA 54: National Fuel Gas Code, 2012, NFPA
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Books NOT Allowed in the Exam
1.
CFR Title 29, Part 1926 Selections (OSHA), 2013, PSI
Buy from PSI
2.
Modern Refrigeration and Air Conditioning, 19th or 20th Edition, Althous, Turnquist, Bowditch, Bracciano
Buy at Amazon
3.
HVAC Duct Construction Standards - Metal and Flexible, 3rd Edition, 2005, SMACNA
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4.
Manual N: Commercial Load Calculation, 5th Edition, 2008, ACCA
Buy at Amazon
5.
Solar Water and Pool Heating Manual: Design and Installation & Repair and Maintenance, Florida Solar Energy Center
PDF File Link
6.
Evaporative Air Conditioning Handbook, 3rd Edition, 1997, John R. Watt, Will K. Brown
Buy at Amazon
Available Study Materials
Download OSHA Guide
PSI OSHA Selections
Study Guide
$49.95

Sample questions are based on the PSI publication titled “29 CFR PART 1926 Selections, as of June 2013” (highlighted in green above).

This file contains approx. 800 sample questions.

REMINDER:  PSI uses this book for many exams they offer.  Not all sections of this code will apply to your exam.

We also include a table showing the relationship between our questions and OSHA code sections.  Corrections to the original PSI publication are noted. The index/table is available for veiwing before you purchnse from the button above.

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