How to Get Your HVAC License in Ontario

Thinking about a career in heating, ventilation, and air conditioning (HVAC)? You've picked an excellent time. As Ontario pushes toward greater energy efficiency and eco-friendly solutions, we expect the HVAC industry to grow exponentially.

As it is, HVAC technicians in the province earn an average of $70,000 annually, with more experienced tradespeople earning up to $100,000 annually. With the right certifications and experience, you can earn a comfortable living as a licensed HVAC technician. This leads us to the question, “How to get an HVAC license in Ontario?”

However, there’s no single HVAC license Ontario technicians can get. Instead, you'll need several certifications to work legally in the field. Let's break down exactly what you need and how to earn them!

Core HVAC License Requirements in Ontario

In Ontario, two main bodies regulate the HVAC field: the Ontario College of Trades and the Technical Standards and Safety Authority (TSSA). HVAC technicians need specific certifications from each organization, depending on the work they plan to do.

Here’s a breakdown of the common certifications you need when working with HVAC systems:

HVAC License	Allowed Work	HVAC License Requirements Ontario
Refrigeration and Air Conditioning Systems Mechanic (313A)	Install, service, and repair commercial and industrial refrigeration, cooling, and combined heating-cooling systems	8,280 hours of on-the-job training (as part of HVAC apprenticeship) 720 hours of in-school HVAC training Certificate of Qualification (C of Q) exam
Residential Air Conditioning Systems Mechanic (313D)	Install, service, and repair residential air conditioning systems	4,020 hours of on-the-job experience as an apprentice 480 hours of in-school HVAC training program C of Q exam
Gas Technician (G3)	Work on any natural gas or propane-fired equipment (under the supervision of a G2/G1 technician)	Completion of gas technician training from a TSSA-accredited program Pass the G3 TSSA certification examination
Gas Technician (G2)	Install, inspect, repair, and maintain gas lines and gas equipment up to and including 400,000 BTUH. *Standard certification required for most HVAC work	G3 license Complete a G2 training course OR Two years (4,000 hours) of experience working as a G.3-licensed gas technician and written approval from the TSSA Pass the G2 TSSA certification examination
Gas Technician (G1)	Work on any systems in the gas service industry with no restrictions	Valid G2 license Complete G1 course OR At least two years of G.2-licensed gas technician experience (with at least 500 hours working under direct supervision on systems larger than 400,000 BTUH) and approval from the TSSA Pass the G1 TSSA certification examination

Pre-apprenticeship students from Skilled Trades College of Canada listening to an instructor in a classroom

Step-By-Step Guide to a Successful HVAC Career

Learning how to get your HVAC license in Ontario involves several key stages. Here’s your roadmap to success.

Meet Basic Requirements

Even if you’re new to skilled trades, you need a few basic qualifications to start your HVAC career journey in Ontario:

Must be at least 18 years of age
Complete high school diploma or equivalent
Have a valid driver’s license (often required by employers)

While being physically fit can help with the demands of the job, HVAC work is open to anyone with the drive to succeed. You’ll gain the skills and strength you need as you train.

Enrol in a Pre-Apprenticeship Training Program

Earning your HVAC license in Ontario starts with having the right knowledge and skills foundation. For career shifters and fresh graduates, an HVAC pre-apprenticeship program is a fantastic place to start. These programs combine essential HVAC theory with hands-on skills practice to help aspiring HVAC technicians understand what happens on the job.

Pre-apprenticeship programs also make you more attractive to potential employers when applying for an apprenticeship. Many programs offer relevant certifications (like working at heights or first aid) upon completion, showing employers you’re ready to work confidently with practical safety training.

Register and Complete an HVAC Apprenticeship

Apprenticeship is the most common way to get an HVAC technician license in Ontario. This is where you'll put your pre-apprenticeship skills into practice under the supervision of a licensed HVAC technician. Here’s how the apprenticeship process works:

Find an employer/sponsor
Register your apprenticeship with Skilled Trades Ontario
Sign a training agreement
Complete required apprenticeship training hours

Pro tip: You can complete your G2 certification before, during, or after your HVAC apprenticeship. Gas technician certifications are required for most HVAC work, so it’s often best to complete them before applying for apprenticeships to boost your chances.

Pass the Qualifying Exam

Here’s the final step on how to get your HVAC license in Ontario: pass the C of Q exam. Once you do, you’ll be recognized as a certified HVAC technician in Ontario.

The passing rates and requirements differ per certificate. The Gas Technician licenses usually require at least 75% passing marks, while the 313A and 313D licenses require at least 70%. For the 313A trade, you can also take the Red Seal Exam.

HVAC License Ontario Cost

Costs can vary depending on the training program and additional fees. Here's a breakdown of common expenses:

Pre-Apprenticeship Program Tuition: Around $12,900
Apprenticeship Registration: $60/year
C of Q exam fee: $150
Gas Technician Certification: $3,000 to $10,000+ for training, plus variable exam fees

Pro tip: To offset costs, check if your employer offers funding or sponsorship, and explore financial aid or scholarships available through training programs. Skilled Trades College of Canada is accepting applications for the Scottie Barnes Future Builders Scholarship and Building Champions (UFC) scholarships!

Kickstart Your HVAC Career With Skilled Trades College of Canada

Step one on “How to Get Your HVAC License in Ontario”? Enrol in a pre-apprenticeship program at Skilled Trades College of Canada!

Our HVAC training program is designed to give you the knowledge, skills, and practical experience you need to become a successful apprentice in the HVAC industry. With smaller class sizes, an 80:20 hands-on-to-classroom ratio, and expert instructors, you’ll be job-ready in just 12 weeks!

Take one step closer to your HVAC license with STC. Contact us today to book a campus tour or speak to one of our program advisers!