Chiller Technician

Vaughan, ON
On-site
Posted Apr 24, 2026
1 position

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Employment type: Full-time
Experience level: Mid-level · 2+ years
Minimum education: Professional degree
Posting language: English
Working hours: 40 hours per week

Job summary

The technician will perform service, maintenance, troubleshooting, and repair of commercial and industrial chiller systems. They are also responsible for maintaining accurate service records and communicating professionally with customers and team members.

Job details

Ambient Mechanical Ltd is currently seeking an experienced Licensed 313A Chiller Service Technician to join our growing chiller applied service team. The successful candidate will be responsible for troubleshooting, servicing, maintaining, and repairing commercial and industrial HVAC equipment, with a strong focus on chillers and related mechanical systems. This role is ideal for a skilled technician who takes pride in quality workmanship, understands the importance of customer service, and can work independently in commercial, institutional, and industrial environments. Key Responsibilities Perform service, maintenance, troubleshooting, and repair of commercial and industrial chillers. Work on centrifugal, screw, scroll, and reciprocating chiller systems. Magnetic and Non-Magnetic Diagnose mechanical, electrical, control, and refrigerant-related issues. Perform seasonal start-ups, shutdowns, inspections, and preventive maintenance. Complete compressor inspections, oil analysis, refrigerant leak checks, pressure testing, and operational reports. Service related HVAC equipment including pumps, cooling towers, heat exchangers, air handling units, and controls. Interpret wiring diagrams, manufacturer manuals, mechanical drawings, and service procedures. Maintain accurate service records, work orders, deficiency reports, and customer documentation. Communicate professionally with customers, supervisors, and team members. Follow all company safety policies, refrigerant handling procedures, and applicable codes and regulations. Participate in on-call rotation, overtime, and emergency service as required. Qualifications Minimum 3–5 years of experience servicing commercial HVAC equipment; chiller experience preferred. Valid 313A Refrigeration and Air Conditioning Systems Mechanic License preferred. Valid ODP certification required. Experience with major chiller manufacturers such as Carrier, Trane, York, Daikin, McQuay, Multistack, Smardt, or similar equipment. Strong troubleshooting skills in electrical, mechanical, controls, and refrigeration systems. Ability to work independently and manage service calls efficiently. Valid driver’s license with a clean driving record. Strong communication and customer service skills. Commitment to safe work practices and professional conduct. Assets Experience with centrifugal chillers, screw chillers, VFDs, soft starters, and chiller control panels. Knowledge of building automation systems. Welding, brazing, rigging, or compressor rebuild experience. Gas license considered an asset. What We Offer Competitive wages based on experience and qualifications. Company service vehicle. Benefits package. Pension or retirement plan Ongoing training and manufacturer support. Opportunities for advancement. Steady work with a reputable service team. Overtime and on-call opportunities We thank all applicants for their interest; however, only those selected for an interview will be contacted. Ambient Mechanical Ltd is an equal opportunity employer and welcomes applications from all qualified candidates

What you’ll do

Requirements

Candidates must have 3-5 years of experience in commercial HVAC and possess a valid 313A Refrigeration and Air Conditioning Systems Mechanic License. A valid ODP certification and a clean driving record are also required.