Gas Technician

Gas Technician

Program Code
Ontario College Certificate
Barrie , Owen Sound

Program requirements

  • 13 Mandatory Courses
  • 2 Communications Courses
  • 2 General Education Courses

This program is offered in the evening and on weekends in Barrie. For more information, contact us by email at

Program Description

Students train on the theoretical and practical skills required to obtain the Technical Standards and Safety Authority (TSSA) Gas Technician 3 (G.3) and Gas Technician 2 (G.2) certifications. Students study workplace safety, tools, characteristics of natural gas, codes/regulations, basic electricity, technical specifications, customer relations, basic piping systems, and an introduction to gas appliances. Further on, students study advanced piping/tubing systems, electricity, controls, systems, appliances, gas meters, pressure regulators, gas-fired refrigerators, conversion burners, water heaters, forced warm air heating systems, hydronic heating systems, space heating, venting practices, forced air add-on devices, and air handling.

Program course requirements
Course Title Course Code Equivalents Mandatory
Introduction to Electricity ELEC1010   Mandatory
Introduction to Gas Appliances GAST1003   Mandatory
Piping and Tubing Systems GAST1014   Mandatory
Professional Practices GAST1013   Mandatory

Additional Info

Gas Technician work in Ontario requires Gas Technician license (Ontario Certificate of Qualification), which is governed by Technical Standards and Safety Authority (TSSA). The college facilitates Gas Technician 3 (G.3) and Gas Technician 2 (G.2) Ontario Certificate of Qualification Examinations on campus at the end of the first and third semesters, respectively. The cost of each examination is not included in the tuition fee.

Gas Technician 3 (G.3) and Gas Technician 2 (G.2) Ontario Certificates of Qualification are not graduation requirements for this program.

Gas Technician (GAST) program students wanting to transfer to the Heating, Refrigeration and Air Conditioning (HRAC) program are required to:
• meet graduation requirements of the Gas Technician (GAST) program
• meet the admission requirements of the Heating, Refrigeration and
Air conditioning (HRAC) program including a 12C or U math course
or equivalent
• complete and submit a request for program change form
Successful applicants will be exempted from the first 3 semesters of the Heating, Refrigeration and Air Conditioning (HRAC) program.