Free HVAC Technician Exam Prep
HVAC Technician Exam Prep in Las Vegas, NV
Free, gamified practice questions for the hvac technician licensing exam — with local salary context for Las Vegas.
Why It's Worth Passing in Las Vegas
- Median hvac technician salary in Las Vegas: $56,800/yr
- Experienced earners: up to $86,000/yr
- Local job growth: +14%
- Open positions: 1,500+
What to Expect on the Exam
The hvac technician licensing exam covers code requirements, technical fundamentals, safety standards, and applied calculations. CraftPATH's free prep mirrors the real exam format with multiple-choice questions, instant feedback, and topic-by-topic drills.
Refrigeration
Refrigeration cycle, pressure-temperature relationships, superheat/subcooling, refrigerant types, and system charging procedures.
Electrical Systems
HVAC electrical components, wiring diagrams, motor types, capacitors, contactors, and electrical troubleshooting.
Air Flow & Distribution
Duct design, air balancing, static pressure, CFM calculations, and air distribution systems.
Controls & Thermostats
Control circuits, thermostat wiring, programmable controls, building automation, and zone systems.
EPA 608 Certification
Refrigerant regulations, recovery procedures, leak detection, environmental compliance, and certification types.
- Length: 100–150 questions (25 per EPA 608 section)
- Time limit: 2–4 hours
- Passing score: 70%
- Exam fee: $20–$150 (varies by certification)
- Format: Closed-book (most certifications)
Sample HVAC Technician Practice Questions
Six questions from the free hvac technician bank, with the answer and the reasoning behind it.
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1. What is a zoning system? (Controls)
- A. A city permit
- B. Controls temperature independently in different areas
- C. A type of ductwork
- D. An outdoor unit
Answer: B — Controls temperature independently in different areas
A zoning system uses dampers and multiple thermostats to independently control temperature in different areas.
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2. What is a plenum in HVAC? (Air Flow)
- A. A type of refrigerant
- B. An air distribution box connected to supply or return ductwork
- C. A motor type
- D. A thermostat setting
Answer: B — An air distribution box connected to supply or return ductwork
A plenum is a pressurized air distribution chamber that connects the air handler to the ductwork.
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3. What is the purpose of a sight glass? (Refrigeration)
- A. View outdoor conditions
- B. Observe refrigerant condition in the liquid line
- C. Check air filter
- D. Monitor thermostat
Answer: B — Observe refrigerant condition in the liquid line
A sight glass allows technicians to visually check refrigerant condition — bubbles indicate low charge.
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4. What is sensible heat? (Refrigeration)
- A. Heat you can feel
- B. Heat that causes a temperature change measurable by thermometer
- C. Heat from the sun
- D. Heat in insulation
Answer: B — Heat that causes a temperature change measurable by thermometer
Sensible heat causes a measurable temperature change, as opposed to latent heat which changes state.
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5. What refrigerant is being phased in to replace R-410A? (EPA Certification)
- A. R-22
- B. R-32
- C. R-134a
- D. R-12
Answer: B — R-32
R-32 has a lower GWP than R-410A and is being adopted as a more environmentally friendly alternative.
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6. What is a contactor in HVAC? (Controls)
- A. A person who installs HVAC
- B. An electrically controlled switch for compressor/fan motors
- C. A type of duct
- D. A refrigerant valve
Answer: B — An electrically controlled switch for compressor/fan motors
A contactor is a heavy-duty relay that switches power to the compressor and condenser fan motor.
A Study Plan That Fits a Las Vegas Work Week
- Weeks 1–2: untimed topic drills across every domain to find weak areas.
- Weeks 3–5: work the weak topics with the code book open, timing each lookup.
- Weeks 6–8: timed full-length rounds until you hold 85% consistently.
- Final week: review missed questions and confirm your Nevada application status.
- Start with EPA 608 — it's required before handling refrigerants
- Master the refrigeration cycle and pressure-temperature charts
- Practice reading wiring diagrams until it becomes second nature
- Focus on troubleshooting scenarios — they're heavily tested
Local Context for Las Vegas
Desert heat exceeding 110°F makes Las Vegas HVAC techs essential—emergency rates can exceed $150/hour.
HVAC Technician Exam Questions from Las Vegas Candidates
How much do hvac technicians make in Las Vegas?
The median hvac technician salary in Las Vegas, NV is $56,800. Entry-level roles start near $34,000 and experienced licensees reach $86,000. Passing the licensing exam is the gate to the upper half of that range.
Where can I take the hvac technician exam near Las Vegas?
Las Vegas, NV candidates test at state-approved centers scheduled through the Nevada licensing board or its exam vendor. Local programs such as HVAC Training Las Vegas or Nevada HVAC Apprenticeship can point you to the nearest seat and confirm the paperwork you need before applying.
How long should I study before testing in Nevada?
Most candidates give it 8 to 12 weeks at about an hour a night: untimed topic drills first, then code-book lookups against a clock, then full-length timed rounds until you hold 85% or better.
Is there demand for hvac technicians in Las Vegas?
Yes — 1,500+ open positions with +14% projected growth. Desert heat exceeding 110°F makes Las Vegas HVAC techs essential—emergency rates can exceed $150/hour.
Do these practice questions copy the real Nevada exam?
No. Every question is original CraftPATH material written against published exam outlines and the code books Nevada has adopted. The format matches the real test, the content does not reproduce licensed exam material.
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