Commercial HVAC preventive maintenance in Quebec. Planned multi-site service contracts.
HVAC service contracts for commercial, institutional, and industrial property owners across Quebec. Quarterly or biannual inspections typical, commercial energy-recovery ventilators (ERVs) included, a documented report after every visit. We prevent the breakdown — we don't just fight it on a 3 a.m. call.
Chosen by Quebec's major real-estate portfolios.
Portfolios under maintenance contract: Library & Archives Canada · City of Laval · institutional, commercial and industrial building owners across Quebec and Ontario
Planned, not emergency. The difference matters.
A preventive maintenance contract isn't the same offer as a 24/7 repair line. Repair handles the breakdown. Prevention keeps it from happening. Our commercial hvac preventive maintenance contracts cover commercial, institutional, and industrial buildings across Quebec: scheduled inspections, proactive component replacement, documented reports after every visit, and consolidated pricing for multi-site portfolios. We do not serve residential. Our technicians are commercial HVAC service specialists trained on commercial equipment — RTUs, chillers, heat pumps, CRAC units, and commercial energy-recovery ventilators. For the commercial buildings we maintain, most operators choose quarterly or biannual inspection cadences depending on equipment density and building criticality.
HVAC maintenance contract coverage
Rooftop units (RTUs)
Seasonal inspection, filter replacement, belt checks, and control tuning.
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Rooftop units (RTUs)
Seasonal inspection, filter replacement, belt checks, and control tuning.
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Chillers and cooling towers
Seasonal start-up, early leak detection, water analysis, and performance tuning.
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Chillers and cooling towers
Seasonal start-up, early leak detection, water analysis, and performance tuning.
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Commercial ERVs and ventilation
Maintenance of commercial energy-recovery ventilators (heat recovery), AHUs, airflow checks, and controls calibration.
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Commercial ERVs and ventilation
Maintenance of commercial energy-recovery ventilators (heat recovery), AHUs, airflow checks, and controls calibration.
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Commercial heat pumps
Seasonal maintenance, coil cleaning, refrigerant charge verification, and mode validation.
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Commercial heat pumps
Seasonal maintenance, coil cleaning, refrigerant charge verification, and mode validation.
More details ▾Commercial HVAC preventive maintenance · Quebec
Scheduled inspection frequencies
Most of our commercial clients choose quarterly or biannual inspections typical. The schedule depends on equipment density, usage profile, critical operating hours, and site criticality. Multi-site portfolios are planned as coordinated routes to maximize efficiency. Every visit produces a report, and every anomaly triggers a documented action plan — not a surprise invoice.
Library & Archives Canada — Net-zero HVAC retrofit
Kolostat delivered a net-zero HVAC retrofit for Canada's national document preservation facility — a constant-temperature, humidity-controlled environment, maintained continuously. Read the full case study →
Reading for building managers
Modern HVAC maintenance contracts must account for new operational realities: refrigerant regulation, energy efficiency, decarbonization. Useful reading for facility managers: Technical challenges and responsibilities of building managers.
Our projects on video
FAQ · Commercial HVAC preventive maintenance · Quebec
What is the typical inspection frequency for a commercial HVAC maintenance contract?
Typical frequencies are quarterly or biannual for most commercial buildings, with semi-annual or annual visits for certain less-stressed equipment. The exact cadence is set during the scoping audit. Multi-site contracts are planned as coordinated routes to minimize travel and maximize coverage.
Do you maintain commercial energy-recovery ventilators?
Yes. Commercial energy-recovery ventilators (ERVs / heat-recovery) are a core part of our preventive maintenance contracts: core cleaning, filter replacement, motor checks, controls calibration, and airflow validation. Regular maintenance preserves the heat-recovery gains designed into the original system.
How does preventive maintenance differ from 24/7 emergency service?
Preventive maintenance is scheduled in advance on a contract calendar — quarterly or biannual inspections typical, complete inspection, proactive component replacement. Emergency service responds to an unexpected breakdown. A well-structured preventive contract significantly reduces how often emergencies happen. If you have a breakdown in progress, call 514 333-7333.
Do you manage multi-site contracts across Quebec?
Yes. We coordinate multi-site portfolios across Greater Montreal, Laval, Longueuil, Quebec City and beyond. One point of contact, one contract, consolidated reports by property — and centralized invoicing. Ideal for real-estate groups and portfolio managers.
Do you provide a report after every visit?
Yes. Every preventive visit produces a documented technical report: equipment inspected, parts replaced, performance readings, retrofit or replacement recommendations. Clients receive the reports by email and in a digital archive.
Do you do residential maintenance?
No. We serve commercial, institutional, industrial, and mission-critical only. Our technicians are commercial HVAC service specialists trained on commercial equipment.
Request a commercial HVAC preventive maintenance contract
Commercial property owners, facility managers, portfolio managers: we reply within one business day. Or call 514 333-7333 directly.