Diploma in Heating, Refrigeration & Air Conditioning Technician

The Diploma in Heating, Refrigeration & Air Conditioning Technician at Lambton College's Sarnia campus is a two-year college diploma that gives you a strong, career-focused, hands-on education in this field.

You will gain practical skills to install, service and repair heating, refrigeration and air-conditioning systems — refrigeration theory, heating, air conditioning, electrical controls, gas fundamentals and diagnostics — with hands-on lab work. HVAC technicians are essential and in year-round demand. Graduates work as HVAC and refrigeration technicians, installers and service specialists, with apprenticeship and certification pathways.

Delivered with hands-on labs and placements at Lambton College's Sarnia campus in Ontario — an affordable college in Canada's industrial heartland. This program is on Lambton's official PGWP-Ready list (CIP 47.0201), so graduates may qualify for a Post-Graduation Work Permit; the final decision always rests with IRCC.

Graduates are well placed for roles such as HVAC Technician, Refrigeration Mechanic and Heating Technician, leaving with practical, hands-on skills and real Canadian experience that employers value.

Beyond technical training, you will build the communication, teamwork and problem-solving skills that transfer across careers and support long-term success in Canada and beyond.

With supportive instructors, modern facilities and a strongly career-focused approach, international students at Lambton College get practical learning and a welcoming place to study.