Mississippi HVAC Contractor License Vocabulary Game
Exam terms with clues and explanations by OpenExamPrep.
About the Mississippi HVAC Contractor License Vocabulary Games
4 free word games built on 20 Mississippi HVAC Contractor License terms across 15 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 Mississippi HVAC Contractor License Vocabulary Game
Heating and Cooling Principles
Refrigerants and Refrigeration
A/C and Heat Pump Equipment
Furnaces and Heaters
Fuel Gas Systems
Heating fuels
Ducts
Load Calculations
Hydronic heating
Safety
Testing, Adjusting and Balancing
Licensing
Estimating
Financial Management
Construction claims
Sources for these terms (20)
- Standards & Codes - ACCA · Source checked 2026-11-06
- 10 CFR 430.2 - Definitions (CFR 2026 edition) · Source checked 2026-11-06
- 10 CFR 430.32 - Energy and water conservation standards and their compliance dates (CFR 2026 edition) · Source checked 2026-11-06
- 10 CFR Part 430, Subpart B, Appendix AA - Uniform Test Method for Measuring the Energy Consumption of Furnace Fans (CFR 2026 edition) · 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
- Incorporate Minimum Efficiency Requirements for Heating and Cooling Products into Federal Acquisition Documents · Source checked 2026-11-06
- Glossary · Source checked 2026-11-06
- DOE Fundamentals Handbook: Thermodynamics, Heat Transfer, and Fluid Flow, Volume 1 · Source checked 2026-11-06
- British thermal units (Btu) - U.S. Energy Information Administration · Source checked 2026-11-06
- Stationary Refrigeration - Prohibition on Venting Refrigerants · Source checked 2026-11-06
- Background on HFCs and the AIM Act · Source checked 2026-11-06
- Chapter 2: Refrigerated Condensers · Source checked 2026-11-06
- HFC Allowance Allocation and Reporting · Source checked 2026-11-06
- Ozone-Depleting Substances · Source checked 2026-11-06
- Stationary Refrigeration and Air Conditioning · Source checked 2026-11-06
- Mississippi Court of Appeals opinion on construction lien enforcement, No. 2024-CP-00390-COA (2025) · Source checked 2026-11-06
- Rules and Regulations of the State Board of Contractors; General Laws of Mississippi 2022 · Source checked 2026-11-06
- Pressure and Gas Flow Unit Conversions · Source checked 2026-11-06
- 1910.110 - Storage and handling of liquefied petroleum gases (paragraphs (a) to (d)(13)) · Source checked 2026-11-06
- Personal Protective Equipment · Source checked 2026-11-06
About the MS HVAC Exam
The Mississippi HVAC contractor license requires passing two PSI exams: an 80-question HVAC trade exam and a 50-question law and business management exam. The HVAC specialty covers heating, cooling, ventilation, fuel gas systems, ductwork, and related work. Commercial projects of $50,000 or more require a Certificate of Responsibility, and residential HVAC subcontractors need a residential license at any dollar amount.
Exam sponsor: Mississippi State Board of Contractors (MSBOC). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Questions
130 questions
Time Limit
6 hours total (4 hr trade + 2 hr business/law)
Passing Score
70% on each exam
Exam / Certification Fees
$120 per exam ($240 for trade + business/law) + $400 application
Exam sponsor websiteFees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.
Frequently Asked Questions
Is the MS HVAC 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 MS HVAC vocabulary games work?
There are 4 games built on 20 MS HVAC 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 MS HVAC terms come from?
OpenExamPrep researched each term from the Mississippi State Board of Contractors (MSBOC) content outline and primary sources, listed under Sources on this page. The game is independent study material, not an official exam resource.
When do I need a Mississippi HVAC contractor license?
A Certificate of Responsibility is required for commercial HVAC work of $50,000 or more. Residential HVAC subcontractors must hold a residential license from the Board no matter the dollar amount of the work.
What exams are required for the Mississippi HVAC license?
Two exams: an HVAC trade exam (80 questions, 4 hours, $120) and a business and law exam (50 questions, 2 hours). Both require a 70% passing score.