Nevada HVAC Contractor License Vocabulary Game
Exam terms with clues and explanations by OpenExamPrep.
About the Nevada HVAC Contractor License Vocabulary Games
4 free word games built on 20 Nevada HVAC Contractor License terms across 16 topics. Every game deals terms at random and shows what each term means, so you can keep playing as long as you like.
How to Play
- 1.Read the clue and type the term (3 to 6 letters).
- 2.Green: right spot. Yellow: wrong spot. Gray: not in the term.
- 3.Solve it in 6 tries, then read the explanation.
- 1.Swap two neighboring tiles to line up 3 of the same term.
- 2.Longer lines, two lines at once and chains score more.
- 3.Play until no swap can make a line.
- 1.Flip two cards. A matching pair stays face up.
- 2.Each pair you find shows what the term means.
- 3.Clear the board in as few moves as you can.
- 1.Find each listed term in the letter grid.
- 2.Drag across its letters: across, down or diagonally.
- 3.Find all five as fast as you can.
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Topics in the Nevada HVAC Contractor License Vocabulary Game
Licensing requirements
State law
State rules
Consumer protection
Refrigeration
Heating and cooling principles
Refrigerants
Standards and manuals
Air distribution
Air quality
Workplace hazards
Electrical safety
Payment rights
Estimating
Contract terms
Fuel systems
Sources for these terms (21)
- Chapter 2: Refrigerated Condensers · Source checked 2026-11-06
- Incorporate Minimum Efficiency Requirements for Heating and Cooling Products into Federal Acquisition Documents · Source checked 2026-11-06
- Ozone-Depleting Substances · Source checked 2026-11-06
- HFC Allowance Allocation and Reporting · Source checked 2026-11-06
- Background on HFCs and the AIM Act · Source checked 2026-11-06
- Technology Transitions HFC Restrictions by Sector · Source checked 2026-11-06
- Standards & Codes - ACCA · Source checked 2026-11-06
- Building America Best Practices Series, Volume 14: Energy Renovations - HVAC, A Guide for Contractors to Share with Homeowners (PNNL-20421) · Source checked 2026-11-06
- Glossary · Source checked 2026-11-06
- Pressure and Gas Flow Unit Conversions · Source checked 2026-11-06
- What is a MERV rating? · Source checked 2026-11-06
- 1910.147 - The control of hazardous energy (lockout/tagout) · Source checked 2026-11-06
- eTool: Construction - Electrical Incidents - Ground-Fault Circuit Interrupters (GFCI) · Source checked 2026-11-06
- About NSCB · Source checked 2026-11-06
- NRS — Table of Titles and Chapters · Source checked 2026-11-06
- NRS: Chapter 624 - Contractors · Source checked 2026-11-06
- NRS: Chapter 233B - Nevada Administrative Procedure Act · Source checked 2026-11-06
- NRS: Chapter 108 - Statutory Liens · Source checked 2026-11-06
- Uniform Mechanical Code · Source checked 2026-11-06
- State of Nevada Contractors Candidate Information Bulletin (PSI, updated 3/25/2026) · Source checked 2026-11-06
- 1910.110 - Storage and handling of liquefied petroleum gases · Source checked 2026-11-06
About the NV HVAC Contractor Exam
The Nevada C-21 exam tests knowledge of NRS 624 contractor regulations, desert climate HVAC design, refrigerant handling, mechanical codes, and business/law practices for the Refrigeration and Air Conditioning license.
Exam sponsor: Nevada State Contractors Board / PSI. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Questions
85 questions
Time Limit
3 hours
Passing Score
60 of 85 (about 71%) on the C-21 trade exam; 45 of 60 (75%) on the CMS
Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.
Official sources
Frequently Asked Questions
Is the NV HVAC Contractor vocabulary game free?
Yes. The game is free to play with no sign-up. Signing in adds AI explanations for any term.
How do the NV HVAC Contractor vocabulary games work?
There are 4 games built on 20 NV HVAC Contractor terms. In Guess the Term, a clue describes one term and you have six tries to spell it, with green, yellow and gray letters showing how close you are. In Term Match, six terms appear as colored tiles; swap neighbors to line up three or more of the same term, and each match shows what the term means. In Term Pairs, twelve face-down cards hide six pairs of terms; flip two at a time to find each pair, and every pair you find shows what the term means. In Term Search, five terms hide in a grid of letters, reading across, down or diagonally; drag across a term to circle it, and each term you find shows what it means.
Where do the NV HVAC Contractor terms come from?
OpenExamPrep researched each term from the Nevada State Contractors Board / PSI content outline and primary sources, listed under Sources on this page. The game is independent study material, not an official exam resource.
What is the Nevada C-21 exam?
The C-21 is an 85-question open-book trade exam for the Refrigeration and Air Conditioning classification, plus a 63-question Contractor Management Survey.
What experience is needed?
4 years within the past 15 years. Up to 3 years can be substituted with accredited education.