We are a commercial mechanical contractor for Toronto and GTA buildings. No houses, no condos, no residential furnaces. Offices, retail, restaurants, grocery, industrial, healthcare and institutions only.
That focus shapes everything: the licences our technicians hold, the parts on our trucks, the way we write reports and the response times we commit to.
Commercial Credentials & Verification
TSSA G1 + G2
Licensed Gas Technicians
ESA
Electrical Safety Authority
313A Refrigeration
Licensed Refrigeration Mechanics
$5M CGL + WSIB
Enbridge-Authorized Since 2006
Our Story
Commercial buildings run on bigger equipment and tighter margins for failure. A packaged rooftop unit can be 150 tons. A boiler can be 6,000 MBH. A centrifugal chiller can carry an entire 40-storey tower. When those systems fail, the cost is lost product, lost trading, tenant complaints and sometimes safety risk.
Early on we decided to do one kind of work properly. Over 20+ years that has grown into 1,400+ rooftop units under contract, 85+ chiller plants on preventive maintenance and more than 220 restaurants served every year, across 20+ GTA cities.
We lead with diagnosis. Every repair starts with a written finding, every quote is fixed before work, and every visit ends with a report. Property managers, chief engineers and restaurant operators keep calling us because they can see exactly what was done and why.
We state warranties plainly: 90 days of labour on repairs, 2 years of labour on installations and replacements, and manufacturer parts warranties passed through.
Credentials
TSSA G1 + G2
G2 technicians handle gas appliances up to 400,000 BTU/h; G1 technicians handle the large boilers, make-up air units and rooftop gas sections above that.
ESA
Electrical Safety Authority authorization for the electrical side of HVAC work: disconnects, controls, VFDs and equipment wiring.
313A Refrigeration
Licensed refrigeration and air conditioning mechanics for chillers, walk-ins, condensing units and all refrigerant handling.
$5M CGL + WSIB
$5 million commercial general liability and full WSIB coverage, with certificates and clearance letters on request.
Enbridge-Authorized Since 2006
Authorized to repair red-tagged gas appliances and coordinate clearance.
Secondary Credentials
ASHRAE, HVAC Excellence, NATE, Ontario Reg 611 legionella program, 2024 F-Gas refrigerant handling.
Leadership
Operations Lead / 18 years
Daniel Okonkwo runs field operations at Toronto Commercial HVAC, dispatching crews across Toronto and the GTA for RTU, boiler and emergency work. He reviews every diagnostic report before a repair quote goes out.
Chiller Specialist / 22 years
Marco Russo leads chiller, cooling tower and BMS work at Toronto Commercial HVAC, from Bay Street centrifugal plants to institutional legionella programs. He plans every rebuild against ASHRAE Guideline 3 refrigerant practice.
Refrigeration Lead / 15 years
Elena Petrova leads the refrigeration team at Toronto Commercial HVAC, covering walk-in coolers, freezers and multi-site food-service programs across the GTA. Her crews run the 24-hour food-service priority line.
Service Coordinator
Runs the dispatch board and tracks every open emergency and repair call until it is closed, including the May to September cooling rush and make-up air calls.
RTU Program Manager
Plans and runs rooftop unit installation and replacement programs: audits, load calculations, crane days, roof adapters and per-tenant cost allocation.
Customer Success Lead
Single point of contact for maintenance and portfolio clients, responsible for quarterly reports, reserve fund data and insurance paperwork.
We find the cause before replacing parts. $185 diagnostic, waived on repairs over $750.
Findings, readings and photos on every visit, ready for budgets, insurers and boards.
Fall-arrest roof protocol, combustion and CO testing on every gas repair, Working at Heights certified crews.
24-Hour Commercial Emergency Dispatch
Call dispatch for a 2-4 hour emergency response, or send the building details and we will confirm scope, access and a written quote.