Free HVAC Technician Exam Prep
HVAC Technician Exam Prep in San Antonio, TX
Free, gamified practice questions for the hvac technician licensing exam — with local salary context for San Antonio.
Why It's Worth Passing in San Antonio
- Median hvac technician salary in San Antonio: $51,500/yr
- Experienced earners: up to $78,000/yr
- Local job growth: +14%
- Open positions: 1,300+
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 humidistat? (Controls)
- A. A humidity record
- B. A control that activates equipment based on humidity levels
- C. A type of filter
- D. A pressure gauge
Answer: B — A control that activates equipment based on humidity levels
A humidistat senses humidity levels and activates humidifiers or dehumidifiers to maintain desired levels.
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2. What is superheat in an HVAC system? (Refrigeration)
- A. Temperature above room temp
- B. Temperature above boiling point
- C. Temperature above saturation point
- D. Maximum safe temperature
Answer: C — Temperature above saturation point
Superheat is the temperature of refrigerant vapor above its saturation temperature.
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3. What does BTU stand for? (Refrigeration)
- A. British Thermal Unit
- B. Basic Temperature Unit
- C. Building Thermal Usage
- D. British Temperature Usage
Answer: A — British Thermal Unit
BTU stands for British Thermal Unit, a measure of heat energy.
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4. How often should HVAC filters be changed in residential systems? (Air Flow)
- A. Weekly
- B. Every 1-3 months
- C. Every 6 months
- D. Annually
Answer: B — Every 1-3 months
Residential HVAC filters should typically be changed every 1-3 months depending on usage.
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5. What is a heat pump? (Refrigeration)
- A. Only heats
- B. Only cools
- C. Both heats and cools
- D. Filters air
Answer: C — Both heats and cools
A heat pump can both heat and cool by reversing the refrigeration cycle.
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6. What causes low airflow in an HVAC system? (Air Flow)
- A. High refrigerant
- B. Dirty filter or blocked ducts
- C. Low outdoor temperature
- D. Too much insulation
Answer: B — Dirty filter or blocked ducts
Dirty filters or blocked ducts are common causes of low airflow in HVAC systems.
A Study Plan That Fits a San Antonio 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 Texas 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 San Antonio
San Antonio's brutal summers and affordable cost of living make HVAC a lucrative career with high purchasing power.
HVAC Technician Exam Questions from San Antonio Candidates
How much do hvac technicians make in San Antonio?
The median hvac technician salary in San Antonio, TX is $51,500. Entry-level roles start near $31,000 and experienced licensees reach $78,000. Passing the licensing exam is the gate to the upper half of that range.
Where can I take the hvac technician exam near San Antonio?
San Antonio, TX candidates test at state-approved centers scheduled through the Texas licensing board or its exam vendor. Local programs such as St. Philip's College HVAC or Texas 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 Texas?
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 San Antonio?
Yes — 1,300+ open positions with +14% projected growth. San Antonio's brutal summers and affordable cost of living make HVAC a lucrative career with high purchasing power.
Do these practice questions copy the real Texas exam?
No. Every question is original CraftPATH material written against published exam outlines and the code books Texas has adopted. The format matches the real test, the content does not reproduce licensed exam material.
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