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The following references are recommended to study for the Nevada Air Conditioning Contractor Exam C-21B. This examination is used to obtain a Nevada Air Conditioning Contractor C-21B License. Also to become a licensed contractor in Nevada, candidates will also need to pass a business and management exam.
Only the following references are permitted to be taken into the exam.
- Uniform Mechanical Code
- NFPA 54
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29 CFR OSHA 1926 Construction Industry Regulations & Standards, January 2026 Edition
$76.99View ProductMake compliance with dense government safety regulations simple with the 29 CFR 1926 OSHA Construction Industry Regulations. Updated through January 2026, the book provides you with a comprehensive set of the most up-to-date Construction regulations.
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Modern Refrigeration and Air Conditioning, 22nd Edition
$236.99View ProductThe Modern Refrigeration and Air Conditioning, 22nd Edition is the HVACR standard for a new generation of learners. It correlates to HVAC Excellence and PAHRA accreditation requirements to ensure complete coverage that prepares students for career success.
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HVAC Duct Construction Standards – Metal and Flexible, 4th Edition SMACNA
$252.99View ProductSMACNA’s long-anticipated HVAC Duct Construction Standards – Metal and Flexible, 4th Edition can now be yours. This ANSI approved standard is the flagship publication put out by SMACNA, and represents the state of the art in the sheet metal duct fabrication and installation requirements. A must-own for contractors, engineers, designers, and fabricators, the Fourth Edition of SMACNA’s HVAC Duct Construction Standards – Metal and Flexible builds on a history of duct construction standards nearly 100 years old.
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Manual N – Commercial Load Calculation for Small Commercial Buildings, 5th Edition
$142.99View ProductThe Manual N – Commercial Load Calculation for Small Commercial Buildings, 5th Edition, from the Air Conditioning Contractors of America (ACCA), details the correct HVAC load calculation procedure for small and midsize commercial buildings. This new edition addresses advances in the commercial construction industry, such as new materials, methods of assembly, and operational requirements. It provides instruction to help contractors and designers satisfy new (and often conflicting) energy, ventilation, and comfort requirements. Manual N is divided into four sections providing both a quick procedure, and a more comprehensive procedure, based on the requirements of your application.
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Redi-Tag Permanent Tabs – 375 Blank Tabs
$44.99View ProductRedi-Tag permanent tabs are self-sticking and you can print on your laser printer in minutes or write directly on them. Made of heavy duty, durable plastic that won’t tear of curl. Input and format text using Windows® versions of Microsoft® Word and WordPerfect®. Actual size of tab 1-1/8″ x 1-1/4″. 100 tabs per pack.
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NFPA 54: National Fuel Gas Code 2012 Edition
$203.99View ProductFrom carbon monoxide poisoning to the risks of fire and explosion, there are several hazards when it comes to using gaseous fuels. NFPA 54/ANSI Z223.1, National Fuel Gas Code, offers the latest comprehensive provisions for the safe design, installation, operation, maintenance, purging, and inspection of gas piping, equipment, accessories, and appliances supplied with fuel gas.
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2012 Uniform Mechanical Code
$173.99View ProductThe 2012 edition of the Uniform Mechanical Code (UMC©) represents the most current approaches in the mechanical field. It is the fourth edition developed under the ANSI Consensus process and is designated as an American National Standard by the American National Standards Institute (ANSI). Contributions to the content of this code were made by every segment of the built industry, including such diverse interests as consumers, enforcing authorities, installers/maintainers, labor, manufacturers, research/standards/ testing laboratories, special experts and users.
