Gas Fitter Jobs Ontario 2026: TSSA Certification, Salary & Career Guide
Introduction
Gas fitting is a specialized trade that plays a critical role in Ontario's residential, commercial, and industrial infrastructure. From installing natural gas lines in new homes to maintaining heating systems in commercial buildings, gas fitters ensure safe and efficient gas delivery across the province. With Ottawa's growing construction sector and Ontario's push toward high-efficiency heating systems, gas fitter jobs are in steady demand in 2026.
What Does a Gas Fitter Do?
Gas fitters are responsible for installing, maintaining, and repairing gas piping systems and gas-powered appliances. Their work includes:
• Installing natural gas and propane lines in new construction
• Connecting gas appliances (furnaces, water heaters, stoves, fireplaces)
• Performing safety inspections and leak detection
• Maintaining and repairing existing gas systems
• Converting systems from oil to natural gas
• Working on commercial kitchen gas equipment
• Installing gas lines for industrial processes
Gas fitters must have strong knowledge of Ontario's gas codes and safety regulations, as their work directly impacts public safety.
Gas Fitter Salary in Ontario
Gas fitter salaries in Ontario vary by experience level and certification:
| Experience Level | Annual Salary | Hourly Rate |
|---|---|---|
| Apprentice (Year 1-2) | $38,000 - $48,000 | $18 - $23 |
| Apprentice (Year 3-4) | $48,000 - $58,000 | $23 - $28 |
| Journey-level (G2) | $55,000 - $70,000 | $26 - $34 |
| Journey-level (G1) | $65,000 - $85,000 | $31 - $41 |
| Master/Supervisor | $80,000 - $95,000+ | $38 - $46+ |
Ottawa gas fitters typically earn 5-10% above the provincial average due to the higher cost of living and strong demand in the National Capital Region.
TSSA Certification Requirements
In Ontario, gas fitters must be certified by the Technical Standards and Safety Authority (TSSA). The certification pathway includes:
**G2 License (Limited Gas Fitter):**
• Allows work on appliances up to 400,000 BTU
• Requires 2-year apprenticeship or equivalent experience
• Covers residential gas appliance installation
**G1 License (Unlimited Gas Fitter):**
• Allows work on all gas systems regardless of size
• Requires 4-year apprenticeship or G2 + additional experience
• Covers commercial and industrial gas systems
**B1/B2 Licenses:**
• Specialized licenses for specific gas system types
• Required for certain industrial applications
To obtain TSSA certification, candidates must complete registered apprenticeship hours and pass the TSSA examination.
Apprenticeship Pathway
The gas fitting apprenticeship in Ontario follows a structured pathway:
1. **Find a Sponsor:** Secure employment with a licensed gas fitting contractor
2. **Register Apprenticeship:** Register with the Ministry of Labour, Immigration, Training and Skills Development
3. **Complete Training:** 2-4 years of combined on-the-job training and in-school sessions
4. **Write TSSA Exam:** Pass the certification examination
5. **Obtain License:** Receive your G2 or G1 license
Apprentices earn while they learn, typically starting at 40-50% of journey-level wages and increasing with each year of the program.
Job Outlook in Ottawa & Ontario
The job outlook for gas fitters in Ontario remains strong through 2026 and beyond:
• **Construction Growth:** Ottawa's residential and commercial construction continues to drive demand
• **Energy Transition:** Conversion from oil to natural gas systems creates ongoing work
• **Retirement Wave:** Many experienced gas fitters are retiring, creating opportunities for new entrants
• **Green Energy Integration:** Gas fitters are increasingly involved in hybrid heating systems and high-efficiency installations
The Ontario government projects steady demand for gas fitters, particularly in the Ottawa-Gatineau region where population growth drives construction activity.
How to Find Gas Fitter Jobs in Ottawa
Finding gas fitter jobs in Ottawa and Ontario is easier than ever:
• **Tradeson.ca:** Browse current gas fitter openings in Ottawa and across Ontario
• **Union Halls:** Contact UA (United Association) Local 46 for union opportunities
• **Trade Schools:** Algonquin College and other institutions post job boards for graduates
• **Networking:** Attend trade shows and industry events in the National Capital Region
• **Direct Applications:** Contact major HVAC and plumbing contractors directly
Many employers offer signing bonuses and competitive benefits packages to attract qualified gas fitters in the current labour market.
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Frequently Asked Questions
What is a gas fitter and what do they do?
A gas fitter installs, maintains, and repairs gas lines and gas-powered appliances including furnaces, water heaters, stoves, and fireplaces. They work in residential, commercial, and industrial settings across Ontario.
How much do gas fitters make in Ontario?
Gas fitters in Ontario earn between $55,000 and $95,000 annually depending on experience, certification level, and location. Journey-level gas fitters in Ottawa typically earn $70,000-$85,000.
What certification do I need to become a gas fitter in Ontario?
You need TSSA (Technical Standards and Safety Authority) certification. This requires completing an apprenticeship program and passing the TSSA examination. There are multiple classes (G1, G2, B1, B2) depending on the type of work.
How long does it take to become a certified gas fitter?
A gas fitting apprenticeship typically takes 2-4 years including classroom instruction and on-the-job training. After completing your hours, you must pass the TSSA certification exam.
Is there demand for gas fitters in Ottawa?
Yes, gas fitters are in steady demand in Ottawa and across Ontario due to ongoing construction, HVAC system installations, and the transition to high-efficiency gas systems. The trade offers strong job security.