columbus commercial hvac service technician (313a / g1) Jobs – 13 Openings This Week

HVAC Technician - UNION
MSB —Newmarket, ON
- $65.06 an hour
- Full-time
- Maintenance
- HVAC
- In-person
- Dental care
- Life insurance
Quick apply
5d
HVAC Subcontractor - Service
HR HEAT & COOL MECHANICAL INC. —Toronto, ON
- $70–$100 an hour
- Full-time
- Schematics
- Mechanic experience
- HVAC
Quick apply
4d
Commercial HVAC Service Technician (313A / G1)
Perfect Degree Mechanical Contractors Inc. —Toronto, ON
- $55–$65 an hour
- Full-time
- Customer service
- Assembly
- Driving
- Dental care
- Vision care
Quick apply
14d
313A Refrigeration Service (Apprentice Term 4, 5 or Journeyman)
Neelands —Ontario
- $47.80–$65.06 an hour
- Full-time
- English
- Employee assistance program
Quick apply
313A HVAC Service Technician – Oshawa
HTS Engineering - Heat Transfer Solutions —Oshawa, ON
- $61.53–$64.53 an hour
- Full-time
- Dental care
- Paid time off
Quick apply
HVAC Technician - CUPE Local 4400
Toronto Catholic District School Board —Toronto, ON
- $47.68 an hour
- Full-time
- Schematics
- English
- HVAC
7d
HVAC Technician MSB
Kolostat —Newmarket, ON
- Full-time
- Maintenance
- HVAC
- Mechanical knowledge
Quick apply
5d
Commercial Refrigeration Technician
CBRE —Scarborough, ON
- $52–$55 an hour
- Full-time
- Microsoft Word
- Microsoft Excel
- Microsoft Outlook
- Dental care
- Vision care
HVAC Technician
PL Energy Services —Markham, ON
- Full-time
- Customer service
- HVAC
- In-person
- Dental care
- Vision care
Quick apply
11d
Lead HVAC Technician – Commercial Retrofit & Maintenance
OTT Financial Group —Toronto, ON
- $35–$52 an hour
- Overtime
- HVAC
- Disability insurance
- Dental care
Quick apply
HVAC Mechanic
KNVA MECHANICAL GROUP INC —Concord, ON
- $45–$50 an hour
- Full-time
- Heavy lifting
- Schematics
- HVAC
Quick apply
10d
HVAC Technician - Subcontractor
XOLAR INC. —Canada
- $30–$60 an hour
- Assembly
- Bachelor's
- HVAC
- Flexible schedule
Quick apply

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HVAC Technician - UNION
MSB —Newmarket, ON
This role is ideal for an experienced HVAC/Refrigeration technician ready to step into a leadership position within our service department.
$65.06 an hour
Quick apply
5d
313A Refrigeration and HVAC Service Apprentices and Journeymen
Neelands —Toronto, ON
Valid G license with a clean driver abstract. Valid G license with a clean driver abstract. Gas 3 license; Gas 2 or Gas 1 is considered an asset.
Quick apply

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HVAC Technician - UNION

MSB
Newmarket, ON

Quick apply

Job details

Full-time
5 days ago

Benefits

Extended health care
Dental care
Life insurance

Skills

Boiler
WHMIS Certification
Data center experience
Preventative maintenance
Maintenance
Makeup application
CompTIA Network+
HVAC
Working at Heights Certificate
Driving Licence

Full job description

About MSB Mechanical:

MSB Mechanical is a leading unionized mechanical contractor in the GTA, providing commercial service and construction solutions for heating, cooling, gas, and hydronic systems across complex facilities — including mission-critical buildings and data centres. We are seeking a senior, hands-on Lead/Foreman Technician to join our highly versatile service team.

Position Summary:

This role is ideal for an experienced HVAC/Refrigeration technician ready to step into a leadership position within our service department. You will lead in-field technicians, support quotations, and take ownership of service work for key accounts, including data centres and other critical facilities, while also supporting construction installations.

Scope of Work Includes:

Power burners
Make-up air units (MUA)
Rooftop units (RTUs)
AHUs and large commercial equipment
Plumbing and hydronic heating systems
Boilers and pumps
BAS/BMS interface and troubleshooting
Precision cooling systems in data centres (CRAH, CRAC, in-row cooling)
Chilled water plants, heat exchangers, buffer tanks, and glycol systems
Support on construction installations and start-ups as required

Key Responsibilities:

Act as foreman for in-field service technicians
Lead refrigeration and cooling service for data centres and mission-critical facilities
Inspect, troubleshoot, service, and maintain commercial HVAC, refrigeration, and hydronic systems
Assist with quotations, repair pricing, and preventative maintenance contracts
Provide exceptional customer service and keep clients informed of all work completed
Coordinate daily activities with the service office and management team
Complete and submit electronic work orders and reports using tablets/handheld devices
Support construction crews during installations, tie-ins, and start-ups
Work safely in live environments with zero-downtime expectations and strict permit procedures

Qualifications & Requirements:

Valid Ontario G Driver’s License
Valid G1 Gas Technician License (G2 preferred); 313A Refrigeration License required
WHMIS and Working at Heights certifications
Minimum 3+ years’ experience servicing RTUs, MUAs, AHUs, boilers, and hydronic systems
Strong hydronic and boiler experience required
Experience with power burners and large commercial equipment essential
Experience in data centres or mission-critical facilities, including CRAH/CRAC units, in-row cooling, chilled water and DX systems considered a strong asset
Familiarity with redundant N+1 / 2N systems and zero-downtime procedures
Experience with BAS/BMS platforms (Delta, Siemens, Honeywell, Schneider, etc.)
Previous experience leading technicians or acting in a foreman role
Experience assisting with quoting repairs and preventative maintenance contracts
Comfortable using digital service software and mobile technology
Clean criminal record required for work in government and secure facilities

What We Offer:

Competitive union wage package

Benefits and pension through Local 787
Steady year-round work in a growing service department
Opportunity to work on complex, high-profile facilities including data centres
Supportive team environment with room for leadership and advancement

How to Apply:

Apply through Indeed or submit your resume to MSB Mechanical. Only qualified candidates will be contacted.

Job Type: Full-time

Pay: $65.06 per hour

Benefits:

Dental care
Extended health care
Life insurance

Licence/Certification:

G1 Gas (preferred)
313 A (preferred)

Work Location: In person

Quick apply

Refine Your Search

commercial hvac service technician (313a / g1) jobs in columbus

HVAC Technician - UNION

HVAC Subcontractor - Service

Commercial HVAC Service Technician (313A / G1)

313A Refrigeration Service (Apprentice Term 4, 5 or Journeyman)

313A HVAC Service Technician – Oshawa

HVAC Technician - CUPE Local 4400

HVAC Technician MSB

Commercial Refrigeration Technician

HVAC Technician

Lead HVAC Technician – Commercial Retrofit & Maintenance

HVAC Mechanic

HVAC Technician - Subcontractor

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