Choosing the Right Ventilation in Laval: A Matter of Comfort, Efficiency, and Health
As part of our work in residential ventilation in Laval, we’ve helped several families choose, install, and maintain their ventilation systems. Two main approaches dominate the market: centralized ventilation and decentralized ventilation. While each system has its strengths, there’s no one-size-fits-all answer—it all depends on the home, the budget, the occupants’ expectations, and their habits.
At AirGreen, we’ve had the opportunity to install both types of systems in similar residences in Laval, on comparable projects, with similar goals: improving indoor air quality, reducing humidity, and ensuring effective air renewal without excessive heat loss in winter. Here’s what we’ve seen, experienced, and learned alongside the families who trusted us.
Installation of a Centralized Ventilation System in Laval: Single-Family Home in Chomedey
In a house built in 2008, the Larose family wanted to improve the efficiency of their air exchange system, especially in the basement bedrooms where signs of humidity had started to appear. We recommended a centralized ventilation system with heat recovery (HRV), integrated into their central heating system.
Technical Details of the Installation
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Type of unit installed: VENMAR AVS N Series 180 CFM HRV
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Configuration: connected to existing HVAC ducts
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Special feature: electronic zoning to independently manage the fresh air supply to the bedrooms
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Installation time: 2 full days with two technicians
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Eligibility for LogisVert program: eligible (rebate of $350)
Result
The Larose family quickly noticed a significant improvement in air quality. The humidity level dropped in the basement bedrooms, the air felt fresher without being cold, and energy consumption remained stable thanks to the heat recovery system’s efficiency.
“You can really feel that the house breathes better. Before, we had to open the windows in winter just to get fresh air… now, it’s constant and comfortable.” — Mrs. Larose
Installation of a Decentralized Ventilation System in Laval: Renovated Duplex in Pont-Viau
Just a few kilometers away, the Durocher family faced a different challenge. Their renovated apartment in a 1960s duplex still felt heavy and humid, especially in the kitchen and bathrooms. The homeowner wanted a solution that was discreet and didn’t require major renovations.
We went with a decentralized ventilation system made up of individual units with heat exchangers, installed in key areas.
Technical Details of the Installation
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Type of unit installed: Blauberg Vento Expert A50-1
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Number of units: 4 (kitchen, two bathrooms, master bedroom)
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Configuration: each unit operates independently with a timer and humidity sensors
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Installation time: 1 day
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Eligibility for LogisVert program: not eligible
Result
The family got customized ventilation, room by room, without needing to alter their wall structure or existing ductwork. The Blauberg fans are discreet, quiet, and provide excellent humidity control.
“It’s a perfect solution for our kind of home. We don’t have the big ducts, but each room breathes better and we can control every zone.” — Mr. Durocher
Direct Comparison of Both Approaches in Laval
| Criteria | Centralized Ventilation | Decentralized Ventilation |
|---|---|---|
| Installation cost | Higher, but subsidized | Moderate, not subsidized |
| Air renewal quality | Excellent and uniform | Excellent per room, but depends on use |
| Maintenance | Annual centralized service | Periodic cleaning of each unit |
| Adaptability | Ideal for new builds or full renovations | Perfect for light renos or older buildings |
| Aesthetics | Invisible, integrated into ductwork | Visible but discreet |
Key Factors for Families to Consider in Laval
The Importance of an HVAC Assessment
Before any installation, we carry out a full assessment of the home, including pressure and humidity tests, to determine the proper ventilation level. Every building has its own specifics: construction year, insulation, presence of an existing air exchanger, heating type, etc.
Impact on Health and Comfort
One of the main benefits seen by both families was the reduction in respiratory symptoms (dry cough, morning congestion, fatigue) linked to poor indoor air quality. In addition, good ventilation limits mold and dust mite growth, which is essential in Laval where winter tends to increase indoor humidity.
Available Grants in Laval
Centralized systems with heat recovery are often eligible for LogisVert rebates or municipal grants, which can significantly lower the initial cost. On the other hand, decentralized systems are not yet recognized by most financial aid programs, although they offer strong value for money in specific situations.
Customer Testimonials and AirGreen’s Added Value
What stands out from our work is AirGreen’s ability to tailor solutions to each family’s reality. Our team takes the time to clearly explain the differences, offer flexible solutions, and deliver clean, discreet, and efficient installations.
In both cases presented, clients emphasized:
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High-quality advice
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Fast turnaround
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Professionalism of our technicians
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Performance of the installed systems
Conclusion: Which System Should You Choose for Your Home in Laval?
Choosing between centralized or decentralized ventilation depends on many factors, but the goal remains the same: to improve indoor air quality, health, and family comfort.
At AirGreen, we have the expertise to advise you, no matter your situation. Whether you're renovating, building, or simply looking to improve your quality of life with minimal disruption, we guide you from start to finish with custom HVAC solutions in Laval, Montréal, Longueuil, the North Shore, and the South Shore.