Join the world's largest HVAC company, named by Forbes as one of America's Best-In-State Employers 2025!

Daikin Applied is seeking an experienced Gas Service Foreman (G1) to join our team in Southern Ontario. This leadership role is ideal for a highly skilled HVAC professional with extensive commercial and industrial experience who is passionate about technical excellence, mentorship, and customer service. At Daikin Applied, you'll work with cutting‑edge HVAC technologies, industry‑leading equipment, and a team committed to innovation, safety, and professional growth.

Location: Southern Ontario – Onsite
Your Responsibilities

Lead TSSA processes, compliance requirements, and related administration

Serve as the branch's technical expert on gas‑fired equipment and appliances

Perform service, maintenance, commissioning, inspection, and repair of commercial and industrial HVAC equipment including applied air handling units, rooftop units, hydronic heating boilers, and make‑up air units

Conduct advanced diagnostics, troubleshooting, and independent problem resolution on complex HVAC systems

Inspect and test equipment to verify system performance, functionality, and secure operation

Perform preventative maintenance to minimize equipment failures, downtime, and service callbacks

Repair or replace defective equipment, components, controls, wiring, and associated system parts

Conduct warranty service work by independently inspecting and testing systems to verify functionality

Lead equipment rebuilds, retrofits, and upgrades while providing technical direction to apprentice and junior technicians through hands‑on mentorship and field leadership





Program and configure control systems utilizing computers, touchscreen interfaces, and related technologies

Act as the primary technical liaison with customers, building owners, and site personnel to provide technical expertise and customer support

Identify opportunities for additional repairs, maintenance, and service enhancements

Educate technical and non‑technical customers on equipment operation, maintenance requirements, and best practices

Prepare accurate service documentation, project reports, billing information, timecards, and other required records in a timely manner

Participate in available technical training programs and maintain all required licenses and certifications

Ensure standards, policies, procedures, and maintenance of a clean work area are always upheld

Complete jobsite hazard assessments prior to initiating service and adhere to Daikin Applied, customer, and applicable safety requirements

Your Qualifications

High School Diploma or GED

Technical school education with a valid G1 Gas Technician License in good standing

10+ years of related HVAC service experience or an equivalent combination of education and experience

Accepted as a Foreman by the union

Previous experience mentoring, coaching, and developing technicians

Valid Driver’s License and acceptable driving record





Ability to participate in a rotational emergency on‑call schedule

Required licenses, certifications, and training cards as mandated by local regulations

Legal authorization to work in Canada; visa sponsorship is not available for this position

Current First Aid and CPR certification (preferred)

Experience with advanced controls and building automation systems (preferred)

Strong customer service, communication, and interpersonal skills (preferred)

Demonstrated leadership experience within commercial and industrial HVAC environments (preferred)

What We Offer

Competitive compensation (negotiable based on experience, qualifications, and certifications)

Company vehicle

Laptop, mobile device, and modern service technology

Factory‑certified training programs

Exposure to advanced commercial HVAC systems and Intelligent Equipment technologies

Career growth opportunities with an industry‑leading organization

Comprehensive support for continuous learning and professional development

Collaborative, inclusive, and safety‑focused work environment

Chance to contribute to innovative and sustainable HVAC solutions

Work visa sponsorship is not available for this position.

Compensation for this position is negotiable and will be based on experience, qualifications, certifications, and overall fit for the role. Benefits are provided through the applicable local labor union and aligned with the collective bargaining agreement.

If you're looking for an engaging career with growth opportunities in a supportive environment, you'll love a career at Daikin Applied!

#J-18808-Ljbffr

📌 Gas Service Foreman (Ontario)
🏢 Daikin Applied Americas
📍 Ontario