Free HVAC Technician Exam Prep
HVAC Technician Exam Prep in Seattle, WA
Free, gamified practice questions for the hvac technician licensing exam — with local salary context for Seattle.
Why It's Worth Passing in Seattle
- Median hvac technician salary in Seattle: $64,800/yr
- Experienced earners: up to $95,000/yr
- Local job growth: +12%
- Open positions: 1,800+
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. 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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2. 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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3. 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.
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4. What does a reversing valve do? (Refrigeration)
- A. Increases pressure
- B. Reverses refrigerant flow
- C. Filters refrigerant
- D. Measures temperature
Answer: B — Reverses refrigerant flow
A reversing valve changes the direction of refrigerant flow to switch between heating and cooling modes.
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5. What is the purpose of a crankcase heater? (Refrigeration)
- A. Heat the building
- B. Prevent refrigerant from migrating to compressor oil
- C. Speed up defrost
- D. Heat return air
Answer: B — Prevent refrigerant from migrating to compressor oil
A crankcase heater keeps compressor oil warm to prevent liquid refrigerant from mixing with it during off cycles.
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6. What does CFM stand for? (Air Flow)
- A. Cubic Feet per Minute
- B. Central Fan Motor
- C. Cooling Factor Measurement
- D. Condenser Flow Meter
Answer: A — Cubic Feet per Minute
CFM stands for Cubic Feet per Minute, measuring the volume of air flow in HVAC systems.
A Study Plan That Fits a Seattle 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 Washington 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 Seattle
Washington state's clean energy mandates and heat pump incentives are accelerating HVAC demand in Seattle.
HVAC Technician Exam Questions from Seattle Candidates
How much do hvac technicians make in Seattle?
The median hvac technician salary in Seattle, WA is $64,800. Entry-level roles start near $38,000 and experienced licensees reach $95,000. Passing the licensing exam is the gate to the upper half of that range.
Where can I take the hvac technician exam near Seattle?
Seattle, WA candidates test at state-approved centers scheduled through the Washington licensing board or its exam vendor. Local programs such as Sheet Metal Workers Local 66 or Renton Technical College can point you to the nearest seat and confirm the paperwork you need before applying.
How long should I study before testing in Washington?
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 Seattle?
Yes — 1,800+ open positions with +12% projected growth. Washington state's clean energy mandates and heat pump incentives are accelerating HVAC demand in Seattle.
Do these practice questions copy the real Washington exam?
No. Every question is original CraftPATH material written against published exam outlines and the code books Washington has adopted. The format matches the real test, the content does not reproduce licensed exam material.
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