Lead Boiler & Hydronic Systems Technician

AirCom Heating & Cooling Systems Ltd.; Canada; On-site; CAD 95,000 - 125,000; Full time

Job summary

AirCom Heating & Cooling Systems Ltd. in the Greater Toronto Area is seeking a Lead Boiler & Hydronic Systems Technician responsible for installation, commissioning, maintenance and repair of commercial and multi-residential boiler/hydronic systems.

You will diagnose issues, improve energy efficiency and ensure safety and code compliance on every site. You will lead and train junior technicians, coordinate with project teams, and communicate findings and recommendations clearly with clients to

Qualifications

• Must have strong boiler and hydronic system knowledge.
• Experience with VRF / multi-split equipment and controls.
• Ability to diagnose, troubleshoot, and repair mechanical, electrical, and control issues.
• Familiarity with energy management and system optimization.
• Experience reading mechanical drawings and schematics.

Responsibilities

• Oversee installation, commissioning, maintenance and repair of boiler and hydronic systems for commercial / industrial properties.
• Diagnose issues, perform preventive maintenance and optimize energy efficiency.
• Ensure safety and compliance with TSSA regulations on-site.
• Coordinate work with junior technicians and provide on-the-job training.
• Engage with clients on-site to explain findings and propose solutions, ensuring high-quality service.

Skills

Boiler systems

Hydronic heating

VRF / multi-split integration

Diagnostics & repair

Energy management / optimization

Reading drawings / schematics

Leadership / supervision

Customer communication

Safety compliance

Education

TSSA certification

Gas Technician license

Steamfitter license

Plumber license

Job description

Company Description

AirCom Heating & Cooling Systems Ltd. is a non-union, TSSA-certified HVAC contractor headquartered in the Greater Toronto Area, Canada. The company delivers HVAC and refrigeration services to organizations of all sizes, including HVAC repairs and maintenance, hydronic applications, commercial refrigeration DX piping, energy management, and building automation and controls. AirCom also specializes in condominium VRF and multi-split eco solutions, serving well-known clients such as Mac Cosmetics, CN Rail, the Toronto Parking Authority, and the University of Toronto. Its team is experienced with a wide range of leading equipment brands, including Daikin, Mitsubishi, Carrier, Lennox, Engineered Air, Refplus, Panasonic, Liebert, and Quiet Breeze. A strong focus on customer satisfaction and technical expertise makes AirCom a trusted partner for complex commercial and institutional projects.

Role Description

The Lead Boiler & Hydronic Systems Technician is a full-time, on-site role based in the Greater Toronto Area, Canada. This role oversees installation, commissioning, maintenance, and repair of boiler and hydronic heating systems for commercial, industrial, and multi-residential properties. Day-to-day responsibilities include diagnosing system issues, performing preventive maintenance, optimizing system performance and energy efficiency, and ensuring compliance with safety and TSSA regulations. The lead technician coordinates work with junior technicians, provides on-the-job training, and supports project planning, documentation, and reporting. The position also involves interacting with clients on-site, explaining technical findings, recommending solutions, and ensuring high-quality service delivery.

Qualifications

• Strong technical skills in boiler systems, hydronic heating applications, and related piping and pumping components.
• Experience with commercial HVAC systems, including VRF/multi-split equipment and integration with building automation and controls.
• Ability to diagnose, troubleshoot, and repair mechanical, electrical, and control issues in heating and hydronic systems.
• Knowledge of energy management practices and performance optimization for HVAC and hydronic equipment.
• Experience reading and interpreting mechanical drawings, schematics, and technical documentation.
• Demonstrated leadership skills, including supervising technicians, delegating tasks, and maintaining safety standards.
• Effective communication and customer service skills to interact with clients and site stakeholders professionally.
• TSSA certification and other relevant trade licenses (e.g., Gas Technician, Steamfitter, Plumber) are strongly preferred.
• Previous experience in commercial or institutional HVAC environments within the GTA or similar markets is an asset.
• Valid driver's license and ability to travel to job sites across the Greater Toronto Area.