G3 HVAC PrepBOX

PrepBOX

In-app purchases

About this app

Preparing for your Ontario G3 Gas Technician license exam?

G3 HVAC PrepBOX
gives you everything you need to walk in ready — 1,186 G3 gas exam practice
questions, four full-length practice tests, and a Master Exam that puts you
in real exam conditions before exam day.

Independent study aid — not affiliated with TSSA, CSA Group, or any
provincial regulator.

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🎯 WHAT'S INSIDE
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1,186 G3 practice questions across 9- G3 curriculum topic areas :-

- Gas Properties & Combustion
- Gas Code & Piping (B149.1)
- Electrical Systems & Controls
- Appliances & Heat Transfer
- Safety & Workplace Practices
- Venting & Combustion Products
- Gas Regulations & Compliance
- Ignition Systems & Controls
- Tools, Instruments & Measurements

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📋 PRACTICE TESTS


Four full-length G3 practice tests with questions drawn from every
curriculum area.

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🏆 MASTER EXAM — REAL EXAM CONDITIONS


The Ontario G3 certification exam is 165 questions over 3.5 hours with no
pausing. Master Exam simulates that format — 165 questions randomly drawn
from the full 1,186-question bank, balanced across all 9 curriculum areas,
with a live 3-hour 30-minute countdown timer. Use it to practice pacing,
build endurance, and gauge your readiness before exam day.

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🎯 CHALLENGE BANK


Every G3 exam question you answer incorrectly is automatically saved to
your personal Challenge Bank. Drill your weak spots until they become your
strongest areas. Answer a question correctly and it clears from the bank
automatically.

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✅ BUILT TO PUSH YOU FURTHER


The official G3 exam pass mark is 75%. G3 HVAC PrepBOX sets its bar at 80%
so you arrive overprepared, not just barely ready. Questions are balanced
across all curriculum areas.

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👷 WHO IS G3 HVAC PREPBOX FOR?


- Gas Technician 3 students at Canadian colleges and trade schools
- HVAC apprentices and working technicians preparing for the G3 exam
- Anyone retaking the G3 or preparing for similar gas fitter exams across Canada
- Students preparing for similar gas fitter certifications across Canada

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📴 STUDY OFFLINE — ANYWHERE

No internet needed once installed. Study on a job site, in your truck,
between classes, or anywhere you have five minutes. All questions,
progress, and stats are stored on your device.

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FREE VS PRO
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Free includes one 20-question mock test so you can try the app before
subscribing.

Pro unlocks everything:
✓ All 9 Topic Quizzes (1,186 G3 practice questions)
✓ All 4 full-length Practice Tests
✓ Master Exam — full timed simulation
✓ Challenge Bank — automatic wrong-answer tracking
✓ Stats Dashboard — accuracy by topic
✓ Study References & downloadable PDFs

SUBSCRIPTION DETAILS

- Monthly plan: $9.99 CAD/month, auto-renews monthly
- Annual plan: $49.99 CAD/year, auto-renews annually
- Payment is charged to your Google Play account at purchase confirmation
- Subscriptions automatically renew unless cancelled at least 24 hours
before the end of the current billing period
- Manage or cancel anytime in your Google Play account settings
- No refund for the unused portion of a subscription period after
cancellation.

Privacy Policy: https://g3-prep-legal.netlify.app/privacy
Terms of Service: https://g3-prep-legal.netlify.app/terms

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DISCLAIMER
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G3 HVAC PrepBOX is an independent study aid and is not affiliated with,
endorsed by, sponsored by, or otherwise connected to the Technical
Standards and Safety Authority (TSSA), CSA Group, or any provincial gas
regulator. All trademarks and trade names referenced are the property of
their respective owners. Practice questions are original content created
for study purposes and do not reproduce actual exam questions.

What’s new

G3 HVAC PrepBOX is now available. 1,100+ practice questions, 4 full-length practice tests, Master Exam simulation, Challenge Bank, Stats Dashboard, and Study References for the Ontario G3 Gas Technician exam.