REPAIR · COMMERCIAL HVAC
Service calls and HVAC repairs
A fleet of 25+ service trucks covering heating, ventilation, air conditioning, piping, and controls. Available 24/7 across the sectors Kolostat serves — commercial, industrial, pharmaceutical, food, institutional, and data centres.
- 0+
- Service trucksFleet covering heating, ventilation, air conditioning, piping, and controls.
- 24/7
- Emergency availability24 hours a day, 7 days a week. Fast, professional service.
- 0
- Offices across QC and ONLaval, Montréal, Toronto, Newmarket.
What we repair
Heating, ventilation, air conditioning, piping, controls
The full HVAC scope from the same in-house delivery group that handles design-build and preventive maintenance.
Heating, ventilation, air conditioning
Diagnosis, on-site repair, and parts replacement on commercial heating, ventilation, and air conditioning systems.
Piping
Repair on commercial piping and distribution systems across the same scope covered by Kolostat's piping service.
Controls and BMS
Diagnosis and repair on the building-management integration layer that ties the mechanical plant together.
Ductwork and welding repair
Welding techniques applied to repair and maintenance projects. Mobile welding units dispatched for on-site work wherever shop fabrication is not feasible.
Why Kolostat
Authorized technicians, fast service, real-time monitoring
The four advantages established on the Kolostat service-and-maintenance side, applied to every repair call.
Authorized technicians, every call
A Kolostat-authorized technician arrives to diligently resolve the situation and ensure equipment is working properly.
Fast service that minimizes downtime
Fast service minimizes slowdowns to employees, tenants, or operations, and discomfort from malfunctioning mechanical systems.
Repair-to-maintenance pathway
For ongoing reliability, a preventive maintenance plan can be tailored to specific needs — in-depth inspections, regular adjustments, and rigorous monitoring of equipment performance.
Real-time performance monitoring
For sites under monitoring, an integrated control and optimization system gives complete visibility of equipment status — enabling technicians to identify drift and act before a breakdown occurs.
Sectors served
Commercial, industrial, institutional, mission-critical
Kolostat serves commercial, industrial, pharmaceutical, food, institutional, and data centres.
Commercial
Office towers, multi-residential, mixed-use, and retail.
Industrial, food, pharmaceutical
Plants, food processing, and pharmaceutical sites — process heating, ventilation, and cooling.
Other sectors
Educational institutions, health centers, government facilities, and archive centers.
Data centers and mission-critical
Data centres and mission-critical environments where uninterrupted operation is required.
How a repair call runs
Dispatch, on site, repair, follow-up
Dispatch
One number — 514-333-7333, option 1. Available 24/7.
On site
Kolostat-authorized technician arrives to assess and stabilize the situation.
Repair
Repair performed across the affected trade — HVAC, piping, controls, or ductwork.
Follow-up
Preventive maintenance plan available to anticipate future risks and reduce operating costs.
Repair FAQ
What facility managers ask before they call
What HVAC systems are covered?
Heating, ventilation, air conditioning, piping, and controls — covered by the same expert team.
Are you available 24/7?
Yes. For emergencies, dispatch is available 24 hours a day, 7 days a week with fast, professional service. One number: 514-333-7333, option 1.
Which sectors do you serve?
Commercial, industrial, pharmaceutical, food, institutional, and data centres.
How does this connect to a preventive maintenance contract?
Service calls and repairs are the entry point. Customers seeking ongoing reliability can transition to a tailored preventive maintenance plan — in-depth inspections, regular adjustments, and rigorous monitoring of equipment performance.
Do you operate in both Quebec and Ontario?
Yes. RBQ (1269-6704-94) and CMMTQ cover Quebec mechanical and plumbing work. The Newmarket and Toronto offices field the Ontario side of the same delivery group.
Request a quote
Tell us about your project
Submit right here — a Kolostat engineer will follow up to scope the work. Email or phone is required.
Get started
Have a commercial HVAC repair need?
Heating, ventilation, air conditioning, piping, and controls. A fleet of 25+ service trucks, available 24/7. Just one number — 514-333-7333, option 1.