Free HVAC Technician Exam Prep
HVAC Technician Exam Prep in Los Angeles, CA
Free, gamified practice questions for the hvac technician licensing exam — with local salary context for Los Angeles.
Why It's Worth Passing in Los Angeles
- Median hvac technician salary in Los Angeles: $60,200/yr
- Experienced earners: up to $90,000/yr
- Local job growth: +12%
- Open positions: 3,200+
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 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.
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2. What does MERV stand for? (Air Flow)
- A. Minimum Energy Reduction Value
- B. Minimum Efficiency Reporting Value
- C. Maximum Energy Recovery Vent
- D. Measured Energy Recovery Volume
Answer: B — Minimum Efficiency Reporting Value
MERV (Minimum Efficiency Reporting Value) rates air filter effectiveness. Higher MERV = better filtration.
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3. What is the purpose of an accumulator? (Refrigeration)
- A. Accumulate refrigerant charge
- B. Prevent liquid refrigerant from reaching the compressor
- C. Store oil
- D. Measure pressure
Answer: B — Prevent liquid refrigerant from reaching the compressor
An accumulator catches liquid refrigerant before it enters the compressor, preventing liquid slugging damage.
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4. What is indoor air quality (IAQ)? (Air Flow)
- A. Temperature only
- B. The quality of air inside buildings affecting health and comfort
- C. Humidity only
- D. Air pressure
Answer: B — The quality of air inside buildings affecting health and comfort
IAQ encompasses temperature, humidity, ventilation, and pollutant levels affecting occupant health and comfort.
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5. What is a damper in ductwork? (Air Flow)
- A. A moisture absorber
- B. A valve that regulates airflow within ducts
- C. A sound absorber
- D. A type of insulation
Answer: B — A valve that regulates airflow within ducts
Dampers are adjustable plates inside ducts that regulate and direct airflow to different zones.
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6. What is AHRI? (Efficiency)
- A. A refrigerant type
- B. Air-Conditioning, Heating, and Refrigeration Institute
- C. An HVAC brand
- D. A government agency
Answer: B — Air-Conditioning, Heating, and Refrigeration Institute
AHRI certifies and rates HVAC equipment performance to ensure it meets published specifications.
A Study Plan That Fits a Los Angeles 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 California 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 Los Angeles
California's push for heat pump adoption and energy efficiency mandates is driving massive HVAC demand in LA.
HVAC Technician Exam Questions from Los Angeles Candidates
How much do hvac technicians make in Los Angeles?
The median hvac technician salary in Los Angeles, CA is $60,200. Entry-level roles start near $36,000 and experienced licensees reach $90,000. Passing the licensing exam is the gate to the upper half of that range.
Where can I take the hvac technician exam near Los Angeles?
Los Angeles, CA candidates test at state-approved centers scheduled through the California licensing board or its exam vendor. Local programs such as HVAC Training Center LA or Sheet Metal Workers Local 105 can point you to the nearest seat and confirm the paperwork you need before applying.
How long should I study before testing in California?
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 Los Angeles?
Yes — 3,200+ open positions with +12% projected growth. California's push for heat pump adoption and energy efficiency mandates is driving massive HVAC demand in LA.
Do these practice questions copy the real California exam?
No. Every question is original CraftPATH material written against published exam outlines and the code books California has adopted. The format matches the real test, the content does not reproduce licensed exam material.
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