College Diploma - Heating, Refrigeration and Air Conditioning Technician (HADS/HADJ)

The College Diploma - Heating, Refrigeration and Air Conditioning Technician (HADS/HADJ) at Loyalist College's Belleville campus is a two-year college diploma that gives you a strong, career-focused 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 on real equipment. HVAC technicians are essential and in year-round demand. Graduates work as HVAC and refrigeration technicians, installers and service specialists, with clear apprenticeship and certification pathways.

Delivered with hands-on labs and placements at Loyalist College's Belleville campus in eastern Ontario. This program is on Loyalist's official PGWP-aligned programs list (CIP 15.0501), 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 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 small classes, supportive instructors and a hands-on approach, international students at Loyalist College get personal attention and a genuinely welcoming place to study.