An invisible threat loomed over a popular sports center in Montréal
In the Rosemont–La Petite-Patrie borough, a multi-sports complex hosting thousands of athletes every week was on the brink of disaster. For months, complaints were piling up: persistent odors, thermal discomfort, condensation on the walls, and recurring cases of sinus infections and migraines among staff. Parents were hesitant to let their children attend training sessions. Several teams even cancelled their memberships.
The initial diagnosis, carried out by another HVAC contractor, mentioned a minor malfunction in the air conditioning systems. But nothing changed. It wasn’t until our AirGreen team stepped in that the real issue was uncovered: a deficient, poorly sized, and completely unbalanced ventilation system for the building’s configuration.
On-site inspection: clear symptoms, but a hidden network to blame
From our first technical visit, several red flags stood out:
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No HRV or ERV system, despite a high-occupancy, enclosed space
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Over-ventilation of an empty administrative area, while the training rooms remained stuffy
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No centralized mechanical filtration: the recirculated air contained fine particles, worsening respiratory problems
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Excessive humidity, with early-stage mold growth in some insulated ducts
A technical response that matched the urgency
Our AirGreen team immediately proposed a three-phase ventilation recovery plan, focused on safety, energy efficiency, and optimal comfort. All work was completed in 8 business days to avoid any temporary closure of the facility.
Here are the solutions we installed:
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Two Lennox HRV Commercial air exchangers (LCHV series), each with a 1500 CFM capacity and high-efficiency heat recovery
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A redesigned duct network using 3D modeling, to ensure perfect airflow balance between zones (gymnasium, locker rooms, cardio rooms, offices)
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Integration of differential pressure and smart CO2 sensors, connected to a Lennox iComfort® Commercial central control system
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Complete replacement of exhaust grilles, improving airflow and reducing ambient noise
A spectacular turnaround in less than two weeks
The results were immediate. Thanks to the new ventilation system:
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Indoor temperature remained stable between 20°C and 22°C, even during peak occupancy
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Indoor air quality (IAQ) improved by 80%, based on independent tests conducted after the work
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Youth program registrations increased by 27%, with parents expressing renewed confidence
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Humidity dropped by 15%, preventing any mold recurrence
Testimonial from the sports center’s general manager
“We were one step away from having to shut down temporarily, which would’ve been a disaster. AirGreen didn’t just sell us a system — they asked the right questions, identified the real cause, and above all, solved everything in under two weeks. Their intervention saved our season.”
Eligibility for municipal grants and incentives
Thanks to our comprehensive support, the project benefited from:
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A $4,180 LogisVert grant for the installation of certified ventilation systems
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Support from the ÉcoPerformance program, since the intervention led to over 20% reduction in energy consumption
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A turnkey financing package proposed by AirGreen, including all required technical documentation for reimbursement
What this installation proves to all sports facilities in Greater Montréal
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Ventilation should never be underestimated, especially in high human-density environments
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Poor airflow doesn’t just cause discomfort — it poses real health risks
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A well-designed HVAC system can save a business and protect its clientele
Why AirGreen is the preferred ventilation partner for sports facilities
At AirGreen, we understand the real constraints of sports facility operators: tight schedules, limited budgets, and highly specific technical needs. That’s why our approach is based on:
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Personalized studies with modular planning
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Certified technicians who can work in split shifts to limit impact on daily operations
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Complete expertise in commercial ventilation, heating, and air conditioning
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Administrative support to fast-track access to available grants
We have already completed over 30 HVAC projects in sports environments across Montréal, Laval, Longueuil, the South Shore, and the North Shore.
Are you in charge of a sports center, gym, arena, or indoor pool? It’s time to secure the health and comfort of your members.
Contact AirGreen today for a free ventilation assessment.