Important Notice :
06/12/26
Practice Exam Update
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All Google Forms versions of our practice exams will no longer be supported and will be removed on 06/30/26.
These exams have been replaced with our new interactive, proprietary practice exam platform, designed to provide a better user experience and allow us to update, correct, and expand content without any downtime.
What's New!
05/25/26 - NEW RELEASE - G3, G2, Module, Pipe Sizing Exams Updated
05/25/26 - NEW -G2 Module 10-24 Review and 1450 Question Bank
05/24/26 - G3 Version B 1-6 Updated and corrected
05/24/26 - NEW -G3 Module 1-9 Review and 545 Question Bank
05/04/26 - New G3 Practice Exam Tool Released
05/04/26 - G3 Exams 1-6 Versions A Revised
05/03/26 - New G2 Practice Exam Tool Released
05/01/26 - GAMES section added
05/01/26 - G2 Exams 1-6 Versions A Revised
04/28/26 - G2 Exams updated for B149.1:25
02/16/26 - UPDATED PDF'S UPLOADED G2/G3
02/14/26 - NEW - 313A Practice Exams Added
About Us
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G3, G2 & 313D, 313A Practice Exams
Built by Trades. Proven by Results.
Created by HVAC trade educators and industry professionals with over 20 years of real-world experience, our practice exams are regularly updated and reviewed to reflect current codes, standards, and exam requirements.
gastechnician.ca is dedicated to helping students confidently prepare for and successfully achieve their Gas Fitter, Gas Technician 3 (G3), Gas Technician 2 (G2), 313D Air Conditioning Mechanic and 313A Refrigeration & Air Conditioning Systems Mechanic certifications.
For more than two decades, we’ve developed, published, and maintained high-quality study materials in collaboration with licensed technicians, instructors, and students, ensuring our content remains accurate, relevant, and exam-focused.
Our Gas Technician and Gas Fitter practice exams are suitable for all Canadian provinces and feature multiple-choice questions based on:
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CSA Gas Technician Training Modules (24 books)
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CAN/CSA-B149.1 Natural Gas and Propane Installation Code
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CAN/CSA-B149.2 Propane Storage and Handling Code
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Applicable provincial regulations and safety standards​
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The G3 content covers foundational knowledge, while the G2 content focuses on advanced applications — making this platform effective for students nationwide.
On this site, you’ll find one of the most complete exam-prep resources available anywhere. Gain access to a large and continuously updated database of:
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Practice exams
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Study materials
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Module reviews
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Notes and exam strategies
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We’ve helped thousands of students successfully earn their certifications.
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Will you be prepared when exam day comes?
Study Guide Packages
Individual Practice Exams
Complete packages including multiple practice exams, multimedia, documents, references, and more
Single practice exams. Practice exams are based on the CSA standard & modules and can be redone an unlimited amount to help you study.
Try our 25 question sample exams to see how the practice exam interface looks and feels. This is only a sample. The real practice exams may contain images, charts and more. Plus see what our exams, exam pdfs and documents look like.
Works on all devices
