Toronto & the Greater Toronto Area
Commercial
HVAC
service & repair
Fast response when equipment fails.
Clear answers after every call.
Kontrol Buildings provides commercial HVAC service and repair in Toronto and the GTA for property managers, building owners and facility teams. When heating, cooling or ventilation equipment fails, our technicians respond, diagnose the problem and document what was found and what comes next.
For property managers, building owners and facility teams.
within 4 hours
support
maintenance & service
Every hour without heat or cooling costs you more.
A failed boiler, rooftop unit or cooling tower affects tenants, residents and operations, and it lands on your desk. You need a technician on site quickly, a clear diagnosis, and a straight answer about whether the fix is a repair or a bigger decision.
We respond to commercial HVAC emergencies 24 hours a day, 365 days a year, and keep you informed from the first call to the completed repair.
Know what happened. Know what comes next.
Every call follows the same process: respond, diagnose, repair where possible, and document the findings.
Emergency response
Heating failures, cooling failures, equipment lockouts and leaks, responded to 24/7, including nights, weekends and holidays.
Diagnosis & repair
Technicians identify the cause, explain the options and complete the repair where parts and conditions allow. Non-emergency repairs are quoted before work proceeds.
Documented service records
A record of what was found, what was done and what needs follow-up, so you can track equipment history and report to owners and boards.
Repair or replace guidance
When a repair no longer makes sense, we tell you and help you plan next steps, including HVAC retrofits.
Commercial HVAC equipment we service
- Rooftop units
- Boilers & hydronic systems
- Chillers
- Cooling towers
- Make-up air units
- Distribution pumps
- Fan coil units
- Water source heat pumps
Our technicians are TSSA licensed, G1/G2 gas fitter certified, 313A refrigeration mechanic licensed, A2L refrigerant certified and Local 787 certified. Learn more about Kontrol Buildings.
One building or a portfolio. Service that fits.
Your building type, occupancy and operating hours shape how we respond and coordinate access.
Property managers & condominium boards
Responsive service, clear communication and records you can share with owners and boards.
Retirement homes & care facilities
Service that accounts for resident comfort, site access and continuity of building operations.
Office, medical & retail buildings
Response that reflects tenant needs, business hours and the systems your occupants depend on.
Industrial buildings & warehouses
Service for building HVAC equipment, coordinated with your facility team and operating schedule.
A clear path to faster commercial HVAC service.
Diagnosis on site
A technician assesses the equipment and explains the problem and your options.
Repair and follow-up
We complete the work and document the findings, with recommendations where needed.
Commercial HVAC service and repair FAQs.
Need service now? Call 1-833-456-6876
What does commercial HVAC service and repair cover?
Emergency and non-emergency service for commercial heating, cooling and ventilation equipment, including rooftop units, boilers, chillers, cooling towers, make-up air units, pumps, fan coil units and water source heat pumps.
How quickly do you respond to HVAC emergencies?
We respond to 99% of commercial HVAC emergencies within 4 hours, 24 hours a day, 365 days a year, including nights, weekends and holidays.
Do maintenance agreement customers get priority?
Yes. Customers with a maintenance agreement receive priority scheduling for service and repair.
How is service and repair billed?
Service and emergency repairs are billed separately from scheduled maintenance. Truck charges are disclosed upfront, we do not add fuel surcharges, and non-emergency repairs are quoted before work proceeds.
What if my equipment needs replacement instead of repair?
We document the equipment condition and explain your options. Where replacement makes more sense, we help you plan an HVAC retrofit. See also 10 signs your system needs replacement.