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Gas Technician

About the Course

The Gas Technician program offered at the Niagara and Halton Skilled Trades Academies teaches the official TSSA curriculum, preparing students for the TSSA (Technical Standards and Safety Authority) Gas Fitter 3 and Gas Fitter 2 licensing examinations. This course is delivered through classroom lectures and practical hands-on learning to provide the theory and application of each element of the course. Evaluation is conducted through written and practical assignments and tests.

The  Niagara and Halton Skilled Trades Academies are TSSA approved examination centres for the G3 and G2 licensing examinations.

Gas Technician Diploma course is approved as a vocational program under the Private Career Colleges Act, 2005.


G3 – $2400.00*
G2 – $3415.00*
Full course – $5540*

** Does not include books, TSSA exam fee & application processing fee

Career Description

Gas fitters (licensed Gas Technicians) install, inspect, repair and maintain gas lines and gas equipment. This equipment ranges from meters, regulators, heating units, fireplaces, residential appliances, commercial appliances and large scale equipment and appliances in industrial establishments.

Transferrable Skills

  • Attention to detail
  • Communication skills
  • Self direction
  • Customer service excellence
  • Problem solving


The following are potential career options for graduates of the TSSA G3 and G2 licensing examinations.

  • Gas Fitter
  • Gas Customer Service Representative
  • Gas Fitter Apprentice
  • Gas Servicer
  • Gas Technician
  • Furnace Converter
  • Gas Appliance Repairer/Services
  • Gas Fitter Installer
  • Gas Main Fitter
  • Gas Pipefitter
  • Industrial Gas Fitter
  • Industrial Gas Services
  • Mechanic – Gas Pipes
  • Troubleshooter – Gas Works

Course Outline

Gas Technician 2

Module 10 – Advanced Piping and Tubing
Module 11 – Basic Electricity
Module 12 – Controls (Mechanical and Electronic)
Module 13 – The Building as a System
Module 14 – Domestic and Non-Vented Gas Appliances
Module 15 – Meters, Pressure Regulators and Fuel Containers
Module 16 – Domestic Gas Fired Refrigerators
Module 17 – Conversion Burners
Module 18 – Water Heaters and Combination Systems
Module 19 – Forced Warm Air Heating Systems
Module 20 – Hydronic Heating Systems
Module 21 – Space Heaters and Decorative Gas Appliances
Module 22 – Venting Practices
Module 23 – Forced Air Add-On Devices
Module 24 – Air Handling Systems

Gas Technician 3

Module 1 – Safety
Module 2 – Fasteners, Tools and Testing Instruments
Module 3 – Properties, Characteristics, and Safe Handling of Fuel Gasses
Module 4 – Utilization Codes, Acts and Regulations, and Provincial Supplements
Module 5 – Introduction to Electricity
Module 6 – Technical Manuals, Specifications, Drawings and Graphs
Module 7 – Customer Relations
Module 8 – Introduction to Piping and Tubing Systems
Module 9 – Introduction to Gas Appliances