Critical interventions and HVAC expertise: how AirGreen responds quickly to protect client comfort and safety
At AirGreen, we understand that during a heatwave, every minute counts when an air conditioning system breaks down. Our clients—whether residential homeowners, building managers, or business owners—simply can’t afford to wait. In this article, we share five emergency air conditioning service calls we handled in Montreal, Laval, Longueuil, the South Shore and the North Shore, where our speed and expertise helped prevent the worst.
Emergency calls that reflect our dedication
Our technical teams are available 7 days a week to respond to critical situations. Thanks to our fleet of fully equipped vehicles and our in-depth knowledge of HVAC systems, we respond quickly and efficiently, even in the most complex scenarios.
1. Immediate replacement of a Gree Extreme 18,000 BTU wall-mounted AC in Outremont (Montreal)
A residential client in Outremont called us on a Sunday afternoon during a heatwave. His Gree Extreme 18,000 BTU wall-mounted AC, installed by another company a few years ago, had suddenly stopped working. With two young children at home, the indoor temperature had reached 32°C.
Issue: Compressor failure, no maintenance since installation, fully clogged filter.
AirGreen solution:
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On-site intervention within 2 hours of the call.
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Quick diagnosis and replacement with a new Gree Extreme R410A 18,000 BTU unit, eligible for a $1,704 LogisVert grant.
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Deep cleaning of the indoor evaporator unit.
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Full system startup and maintenance recommendations.
Result: Indoor temperature restored to 22°C in under 3 hours after arrival. The client signed up for our annual HVAC maintenance plan.
2. Failure of a central Goodman system in Montréal-Nord—fixed before store opening
A convenience store owner in Montréal-Nord contacted us early one morning: his Goodman 36,000 BTU central system (R-410A) wouldn’t start. In the peak of summer, the space was quickly becoming unbearable, with perishable goods at risk.
Issue: Faulty control board, outdoor fan blocked by debris.
AirGreen solution:
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Emergency dispatch of our technician at 6:45 a.m.
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Replacement part available in our warehouse – immediate swap.
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Complete fan cleanup and coil inspection.
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Refrigerant pressure test for the R-410A system to optimize performance.
Result: System restarted by 8:10 a.m., just before the 8:30 store opening. No product loss, very happy client.
3. Urgent installation of a Sharp ZU1 24,000 BTU wall-mounted AC in Longueuil after irreversible failure
A condominium manager in Longueuil reached out after a resident’s old Toshiba wall-mounted unit failed completely during a heatwave. The resident, a senior with reduced mobility, could no longer bear the heat.
Issue: Very old indoor unit, unrepairable, parts no longer available.
AirGreen solution:
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On-site evaluation by our technician within the hour.
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Proposal for a Sharp ZU1 24,000 BTU unit, extremely quiet and efficient.
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Installation the next morning with discreet wall mount, no visible piping.
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Configuration and personalized advice tailored to the resident’s needs.
Result: Total satisfaction. Thermal comfort restored in less than 24 hours. The unit qualified for $2,148 in government rebates.
4. Bosch BIVA IDS Premium central AC failure at an office in Laval – fixed within 4 hours
A telecom company in Laval saw its Bosch BIVA IDS Premium R-454B central system suddenly shut down, putting workspaces and sensitive IT equipment at risk.
Issue: Detected refrigerant leak, significant pressure loss.
AirGreen solution:
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Same-day response with electronic leak detection equipment.
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Identified a poorly soldered connection on the outdoor unit.
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On-site repair, re-soldering, nitrogen leak testing.
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Full R-454B refrigerant recharge, system back online.
Result: No delay in the company’s operations. The facility manager praised our speed, efficiency, and detailed documentation.
5. Leak in an older FUJITSU KZAH R-32 heat pump in Boucherville – overnight repair to protect a data center
At a small data center on the South Shore in Boucherville, a FUJITSU KZAH R-32 heat pump experienced a sudden drop in cooling capacity. Room temperature in the server area: 29°C, with overheat alarms already triggered.
Issue: Damaged connection at the indoor wall unit.
AirGreen solution:
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Emergency team dispatched at 10 p.m.
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Reconnection, specialized copper soldering in a controlled atmosphere.
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System purge, fluorescent dye leak detection, full recharge.
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System restarted, cycle testing performed.
Result: Temperature stabilized at 21°C by midnight. No data loss, no server crashes. The client requested a 24/7 service agreement with AirGreen.
What these cases show: our fast response is a pillar of our reputation
Our emergency HVAC service reflects the quality of our customer care, our logistical readiness, and our deep understanding of residential and commercial HVAC systems. Whether it’s a wall-mounted AC, a central heat pump, or a variable refrigerant flow system, our technicians are ready to be on-site within the hour, anywhere in Montreal, Laval, the North Shore, and the South Shore.
Why choose AirGreen for your emergency cooling needs in Montreal?
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Fast response and teams available 7 days a week.
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Certified technicians for all major brands: Gree, Bosch, Fujitsu, Sharp, Goodman…
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In-stock parts locally available, reduced intervention delays.
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Expertise in both replacements and on-site repairs.
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Maximum rebate support thanks to our administrative guidance.
Practical tips to avoid HVAC emergencies
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Sign up for our annual HVAC maintenance plan.
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Check and clean your air filters regularly.
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Don’t ignore early warning signs: noises, performance drops, strange odors.
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Prepare your system before extreme seasonal changes.
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When in doubt, call us for a preventive inspection.
At AirGreen, we do more than fix systems—we protect your comfort and your equipment, even in the most critical situations. Our clients know they can count on us when every minute matters.