Gas Technician 3

Gas Technician is the “H” in HVAC. There are 3 main levels of Gas Technician licensing (G3, G2, G1). The equipment you can work on includes furnaces, water heaters, stoves, clothes dryers, pool heaters, fireplaces, and many more. This includes residential, commercial, and industrial.

Our Courses are offered at our locations in Toronto, Barrie, Cambridge, London, Oshawa, and Ottawa.

Gas Technician 3 Course

The Gas Technician 3 certification is the first level needed to start a career in the Heating, Ventilation, and Air Conditioning (HVAC) industry. For more details on each course, please see the course information below. 

Gas Technician 3 Course Information

Length760 hours
Course ScheduleMonday to Friday, 8:00am – 4:00pm
DescriptionThis is an entry level program for those who wish to start a career or upgrade their skills in the Heating, Ventilation, and Air Conditioning (HVAC) industry.

It is a 19 week program where students will take part in both theoretical and practical studies by alternating one week in class with one week in the field at a local co-op placement company.

A Gas Technician 3 (G3) license will enable you to work under supervision on any natural gas or propane fired equipment.

Upgrading to a Gas Technician 2 (G2) license will enable you to install, inspect, alter, purge, activate, repair, service or remove a natural gas or propane appliance that has an input of 400,000 Btuh or less without supervision in residential and commercial applications.
Examples: Furnaces, Fireplaces, Water Heaters, Pool Heaters, Stoves, Clothes Dryer, etc.

As part of the program we also offer job search assistance.
Course OutlineThis program covers the G3 and G2 modules 1 to 24 and the applicable codes, acts and regulations.

This program will provide you with hands on skills, contacts in the industry, on the job experience and full knowledge of the skills, safety procedures and theories you will require as a Gas Technician certificate holder.
ExamThe theory and practical examinations will be administered by HiMark at our location upon completion of the course.
Module BreakdownGas Technician 3:
Module 1 – Protect Self & Others
Module 2 – Fasteners, Hand Tools & Power Tools
Module 3 – Properties, Characteristics, Safe Handling of Propane & Natural Gas
Module 4 – Installation Codes, Acts & Regulations
Module 5 – Introduction to Electricity
Module 6 – Technical Manuals, Specifications, Schematics, Drawings & Graphs
Module 7 – Customer Relations
Module 8 – Introduction to Piping & Tubing Systems
Module 9 – Introduction to Gas Appliances

Gas Technician 2:
Module 10 – Advance Piping & Tubing Systems
Module 11 – Basic Electricity
Module 12 – Controls (Mechanical & Electronic)
Module 13 – Building a System
Module 14 – Domestic & Non-Vented Appliances
Module 15 – Gas Meters, Pressure Regulators & Relief Valves
Module 16 – Domestic Gas Fire Refrigerators
Module 17 – Conversion Burners
Module 18 – Water Heaters, Combo Systems, Potable Water Heating Systems
Module 19 – Forced Warm Air Heating Systems
Module 20 – Hydronic Heating Systems
Module 21 – Space Heating & Decorative Appliances
Module 22 – Venting Practices
Module 23 – Forced Air Add-On Devices
Module 24 – Air Handling Systems
Pre-requisiteHave an Ontario Secondary School Diploma or equivalent; or
Be at least 18 years of age and pass a superintendent approved qualifying test
Codebooks Required• B149.1 – Natural Gas & Propane Installation Code
• B149.2 – Propane Storage & Handling Code
• Ontario Act, Regulations, and Code Adoption Documents for use with B149 Code Series
Application Processing Fee$565.00
Course Cost$8,519.45
This is an all-inclusive price including applicable taxes, codebooks, course modules, discounted tuition and exam fees. This price does not include administration fees for funded students. Prices are subject to change. Application fee of $565 is non-refundable.

Length280 hours
Course ScheduleMonday to Friday, 8:00am – 4:00pm
DescriptionThis is an entry level program for those who wish to start a career or upgrade their skills in the Heating, Ventilation, and Air Conditioning (HVAC) industry.
It is a 7 week program where students will take part in both theoretical and practical studies by alternating one week in class with one week in the field at a local co-op placement company.

A Gas Technician 3 (G3) license will enable you to work under supervision on any natural gas or propane fired equipment.
Examples: Furnaces, Fireplaces, Water Heaters, Pool Heaters, Stoves, Clothes Dryer, etc.

As part of the program we also offer job search assistance.
Course OutlineThis program covers the G3 modules 1 to 9 and the applicable codes, acts and regulations.

This program will provide you with hands on skills, contacts in the industry, on the job experience and full knowledge of the skills, safety procedures and theories you will require as a Gas Technician certificate holder.
ExamThe theory and practical examinations will be administered by HiMark at our location upon completion of the course.
Module BreakdownGas Technician 3:
Module 1 – Protect Self & Others
Module 1 – Protect Self & Others
Module 2 – Fasteners, Hand Tools & Power Tools
Module 3 – Properties, Characteristics, Safe Handling of Propane & Natural Gas
Module 4 – Installation Codes, Acts & Regulations
Module 5 – Introduction to Electricity
Module 6 – Technical Manuals, Specifications, Schematics, Drawings & Graphs
Module 7 – Customer Relations
Module 8 – Introduction to Piping & Tubing Systems
Module 9 – Introduction to Gas Appliances
Pre-requisiteHave an Ontario Secondary School Diploma or equivalent; or
Be at least 18 years of age and pass a superintendent approved qualifying test
Codebooks Required• B149.1 – Natural Gas & Propane Installation Code
• B149.2 – Propane Storage & Handling Code
• Ontario Act, Regulations, and Code Adoption Documents for use with B149 Code Series
Application Processing FeeNon-refundable application fee of $565.00.
Course Cost$3,989.45
This is an all-inclusive price including applicable taxes, codebooks, course modules, tuition and exam fees. This price does not include administration fees for funded students. Prices are subject to change.

Length180 hours
Course Schedule2 Evenings from 6:00pm – 10:00pm and Saturday from 8:00am – 4:00pm
DescriptionThis is an entry level program for those who wish to start a career or upgrade their skills in the Heating, Ventilation, and Air Conditioning (HVAC) industry.

It is a 12 week program where students will take part in both theoretical and practical studies in class.

A Gas Technician 3 (G3) license will enable you to work under supervision on any natural gas or propane fired equipment.
Examples: Furnaces, Fireplaces, Water Heaters, Pool Heaters, Stoves, Clothes Dryer, etc.

As part of the program we also offer job search assistance.
Course OutlineThis program covers the G3 modules 1 to 9 and the applicable codes, acts and regulations.
This program covers the G3 modules 1 to 9 and the applicable codes, acts and regulations.

This program will provide you with hands on skills and full knowledge of the skills, safety procedures and theories you will require as a Gas Technician certificate holder.
ExamThe theory and practical examinations will be administered by HiMark at our location upon completion of the course.
Module BreakdownModule 1 – Protect Self & Others
Module 2 – Fasteners, Hand Tools & Power Tools
Module 3 – Properties, Characteristics, Safe Handling of Propane & Natural Gas
Module 4 – Installation Codes, Acts & Regulations
Module 5 – Introduction to Electricity
Module 6 – Technical Manuals, Specifications, Schematics, Drawings & Graphs
Module 7 – Customer Relations
Module 8 – Introduction to Piping & Tubing Systems
Module 9 – Introduction to Gas Appliances
Pre-requisiteHave an Ontario Secondary School Diploma or equivalent; or
Be at least 18 years of age and pass a superintendent approved qualifying test
Codebooks Required• B149.1 – Natural Gas & Propane Installation Code
• B149.2 – Propane Storage & Handling Code
• • B149.1 – Natural Gas & Propane Installation Code
• B149.2 – Propane Storage & Handling Code
• Ontario Act, Regulations, and Code Adoption Documents for use with B149 Code Series
Application Processing FeeNon-refundable application fee of $565.00.
Course Cost$3,989.45
This is an all-inclusive price including applicable taxes, codebooks, course modules, tuition and exam fees. This price does not include administration fees for funded students. Prices are subject to change.

Length24 hours
Course Schedule2 evenings, 6:00pm – 10:00pm
DescriptionThis program does not require approval under the Private Career Colleges Act, 2005.

This is an entry level program for those A Gas Technician 3 (G3) license will enable you to work under supervision on any natural gas or propane fired equipment.
Examples: Furnaces, Fireplaces, Water Heaters, Pool Heaters, Stoves, Clothes Dryer, etc.

As part of the program we also offer job search assistance.
Course OutlineThis program covers the G3 modules 1 to This is a review for all individuals that would like to refresh their knowledge of modules 1 to 9, and the applicable codes, acts and regulations.
ExamThe theory examination will be given by HiMark at our location upon completion of the course. The practical examination must be given by a T.S.S.A. Fuels Safety Inspector and arranged through T.S.S.A. by the student.
Pre-requisiteNone.
However, individuals without previous experience are recommended to take the full course.
Codebooks Required• B149.1 – Natural Gas & Propane Installation Code
• B149.2 – Propane Storage & Handling Code
• Ontario Act, Regulations, and Code Adoption Documents for use with B149 Code Series
Application Processing FeeFull payment is due upon registration.
Course Cost$837.33
This is an all-inclusive price including applicable taxes, course modules and tuition fees. This price does not include codebooks, exam fees or administration fees for funded students. Prices are subject to change.

Scroll to Top