Gas Technician 3 Theory Challenge Pre-exam HVAC 9043

Exam Preparation

Our Gas Technician 3 Theory Challenge Pre-exam course is intended for those who need the theoretical and practical gas technician knowledge required to write the Gas Technician 3 (G.3) theory challenge exam. This gas technician course covers the Technical Standards and Safety Authority (TSSA) G.3 theoretical and practical curriculum (modules 1 to 9). Online materials are graphically illustrated with over 1,600 images and include 25 interactive quizzes, numerous electrical/mechanical graphs, symbols, diagrams, applicable government acts, and regulation references.


The G.3 theory challenge exam (not included) is offered by George Brown College Continuing Education: EX 9000 TSSA Gas Technician 3 Exam: Challenge. For more information, visit our TSSA Gas Technician 3 web page.

Also check out our on-campus course: HVAC 9052 Gas Technician 3 (prepares you to write the EX 01 TSSA Gas Technician 3 Exam)

Hours and Fees




$924, includes a non-refundable materials fee of $200

Course Sections

There are no classes currently scheduled for this course; however, check back soon to see if we have developed additional schedules. Additionally, registration opens up for 2024–25 academic year classes (September 2024 to August 2025) on Thursday, July 4, 2024.
If you would like to receive an email update for the 2024–25 academic year, complete our notification sign-up form. You will also receive reminders when each academic term starts, beginning with Fall 2024.
Technology Department
Office Location(s):

Read about our textbooks policy, and remember that the Continuing Education attendance policy and closure dates differ from those for full-time college programs.