Job Summary

Certified Building Systems (CBS) is a full-service mechanical organization based in Mississauga, Ontario, established in July 2010. We specialize in comprehensive HVAC maintenance services, repairs and energy management – AI assisted with KOIOC solutions across a wide range of industry sectors throughout Canada. We are seeking a skilled HVAC Technician to join our team, responsible for installing, maintaining, and repairing heating, ventilation, and air conditioning systems across various commercial and residential settings.

Responsibilities

- Perform preventive maintenance and demand service on HVAC equipment including RTUs, AHUs, MAUs, boilers, chillers, heat pumps, and VRF systems
- Diagnose system issues and carry out effective repairs to minimize downtime
- Conduct seasonal system changeovers (heating to cooling and vice versa)
- Inspect and test system components including controls, sensors, motors, and electrical connections
- Ensure proper refrigerant handling and compliance with environmental regulations
- Complete service reports, maintenance logs, and documentation accurately
- Communicate findings and recommendations to the Service Coordinator and clients
- Work closely with other trades (plumbing, electrical, BAS) to deliver integrated solutions
- Follow all health & safety policies and procedures on-site




- Provide on-call support as part of a rotating 24/7 service schedule

Qualifications & Requirements:

- Valid Gas Technician Licence (mandatory)
- Minimum 3–5 years of HVAC service experience (preferred)
- 313A Refrigeration and Air Conditioning Systems Mechanic licence, or registered 313A apprentice (asset)
- ODP Certification (required)
- UA Local 787 union members are welcome to apply
- Experience working with commercial and high-rise residential HVAC systems
- Strong troubleshooting and diagnostic skills
- Knowledge of Building Automation Systems (BAS) (asset)
- Valid G driver’s licence with A clean driving record (preferred)
- Ability to work independently and as part of a team

We offer a market-competitive salary package based on work experience. This is an open position and we are currently accepting applications. We do not use AI to screen, assess, or select applicants.

Please send resume to [email protected]

Pay: $25.00-$42.00 per hour

Benefits:

- Company car
- Company events
- Dental care
- Extended health care
- RRSP match
- Vision care

Application question(s):

- Do you have a valid G driver's licence?
- Are you legally authorized to work in Canada?

Experience:

- HVAC: 3 years (preferred)

Licence/Certification:

- Gas Technician Licence (preferred)

Work Location: In person

📌 HVAC Technician (Canada)
🏢 CBS
📍 Canada