Nevada Refrigeration (C21A) Contractor License

The Refrigeration (C21A) Contractor License allows you to do the following work of 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
  • Controls of any related insulation, ducts, blowers, registers
  • 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 the main electrical panel
  • Controls over humidity and thermostatic

A Nevada Refrigeration (C21A) Contractor is not allowed to do the installation of other gas or electric services for the devices, machinery or units.

How to Get a Nevada Refrigeration (C21A) Contractor License?

  1. Obtain a Nevada Business ID before filling out the Contractor Application. In order to get the business ID, contact the Nevada Secretary of State to complete the application for a Nevada State Business License
  2. Gather all the needed documents by the Nevada State Contractors Board (NSCB) to submit with the application:
  3. Complete the Work Experience Certificate Form to provide information about your past work history
    • Proof of eligibility for Licensure by Endorsement. Applicants are advised to review the State Equivalency Chart to determine their eligibility
    • Four years of experience as a journeyman, foreman, supervision employee, or contractor in the specific classification requested within 15 years of filing this application
    • Four (4) Certification of Work Experience Forms (Certificates) for EACH Trade Qualifier
    • The total time of experience with all certificates combined must be a minimum of 4 years (1460 days), meaning that each certificate does NOT have to demonstrate four years of experience
    • Proof of transferable military training and experience
    • An active Master's Certification issued by an officially recognized agent or governmental agency similar to the Refrigeration (C21A) classification
  4. Fulfill the Contractor License Application Form with the complete documentation
  5. Expect an Eligibility Examination form AFTER application submission and employment history verification
  6. Take and approve the Refrigeration (C21A) trade exam and the Management Survey Business and Law CMS exam conducted by PSI©
  7. Upon acceptance by the Nevada State Contractors Board, you must submit the license bond mentioned on the approval letter and proof of Workers' Compensation Insurance
  8. The Nevada State Contractors Board will send the Refrigeration (C21A) contractor license to the address listed on the application

Nevada Refrigeration (C21A) Contractor License Exam Prep Courses

Nevada Refrigeration (C21A) Contractor License Exams

Below is all the information related to the trade and Management Survey exams, including the official reference lists.

Nevada Refrigeration (C21A) Contractor Trade Exam

  • Testing Method: Computer Based
  • Testing Company: PSI©
  • Number of Questions: 50
  • Types of Questions: Multiple Choice
  • Time Allowed: 2 Hours
  • Minimum Passing Score: 35 Questions
  • Subjects Involved (No. of Questions):
    • Refrigeration and Refrigerants (17)
    • Piping and Tubing (8)
    • Condensers and cooling towers (4)
    • Controls, Valves, and Wiring (7)
    • Walk-ins/Box Construction (2)
    • Ducts and Ventilation (2)
    • Test and Inspection (3)
    • Gas (3)
    • Safety (4)
  • PSI© Refrigeration (C21A) Official Content Outline

Nevada Refrigeration (C21A) Contractor Management Survey Exam

  • Testing Method: Computer Based
  • Testing Company: PSI©
  • Types of Questions: Multiple Choice
  • Number of Questions: 60
  • Time Allowed: 120 Minutes
  • Minimum Passing Score: 45 (75% correct)
  • Subjects Involved (No. of Questions):
    • Licensing (10)
    • Estimating and Bidding (7)
    • Lien Law (3)
    • Financial Management (12)
    • Tax Laws (5)
    • Labor Laws (5)
    • Project Management (3)
    • Contracts (6)
    • Risk Management (4)
    • Environmental and Safety (5)
  • PSI© Management Survey Official Content Outline

Nevada Refrigeration (C21A) Contractor Book Set

This set of books includes all required references for the Refrigeration (C21A) and Management Survey exams. Orders placed before 2 PM are shipped the same day via UPS and a tracking number is emailed before 3 PM.

  • NEVADA REFRIGERATION (C21A) - BOOK SET WITHOUT TABS INCLUDES ALL BOOKS FOR TRADE AND BUSINESS EXAMS

    Sales price: $385.68
  • NEVADA REFRIGERATION (C21A) - BOOK SET WITH TABS INCLUDES ALL BOOKS FOR TRADE AND BUSINESS EXAMS

    Sales price: $425.68

Nevada Refrigeration (C21A) Contractor Exam Books

Book Allowed in Testing

Books Not Allowed in Testing

Nevada Refrigeration (C21A) Management Survey Exam Book

Book Allowed in Testing