Improving indoor air quality with a smart ventilation solution in Laval
At AirGreen, we believe that indoor air quality isn’t a luxury — it’s a necessity. In an urban setting like Laval, where indoor pollution sources are plenty — fine dust, humidity, household chemicals, allergens — it's critical to implement smart ventilation solutions. This article highlights an installation project carried out by our experts in a family home in Laval, where a pollution-detecting smart ventilation system was integrated for a household committed to improving their indoor environment.
Project context: a Laval family facing indoor air quality issues
The Tremblay family, living in the Sainte-Dorothée neighborhood of Laval, reached out to us after noticing recurring symptoms in their children: persistent coughing, eye irritation, and breathing issues. Following a professional assessment by our team, we identified high levels of CO2, volatile organic compounds (VOCs), and excessive humidity throughout their home.
The identified sources included:
-
Poor air circulation in closed rooms
-
An inefficient kitchen hood
-
A poorly ventilated basement
-
Frequent use of household chemicals with no ventilation
Proposed solution: a smart pollution-detecting ventilation system
To address the specific needs of this home, we recommended and installed a smart mechanical ventilation system (HRV/ERV) that automatically detects pollution, specifically the Zehnder ComfoAir Q450 model — renowned for its ability to:
-
Automatically detect CO2, humidity, and VOC levels
-
Adjust airflow in real time based on need
-
Provide balanced ventilation with heat recovery
-
Reduce energy consumption by up to 40% compared to standard systems
Technical details of the Laval installation
Model selection: Zehnder ComfoAir Q450
Technical specifications:
-
Maximum airflow: 450 m³/h
-
Heat recovery efficiency: up to 96%
-
High-efficiency filters ISO ePM1 60%
-
Built-in sensors for CO2, relative humidity, and VOCs
-
Smart connectivity through mobile app
Integration of the duct network
We designed and installed an insulated duct network in the attic, with discreet diffusers placed in strategic rooms: living room, bedrooms, kitchen, bathroom, and basement. The entire system was carefully balanced to ensure even and quiet ventilation, in full compliance with CSA-F326 standards.
Challenges encountered and solutions implemented
Limited attic access
The home had a low-pitched roof structure, making standard ductwork installation difficult. We opted for:
-
Flat ducting (ComfoTube) integrated inside walls
-
Discreet penetrations behind closets
-
Integration into the drop ceiling returns in the basement
Soundproofing
To eliminate airflow noise, we installed acoustic silencers on the main branches, resulting in a noise level below 25 dB(A) in living areas.
Results and customer satisfaction
Within just 48 hours of the installation, the sensors recorded a significant improvement:
-
Average CO2 levels dropped from 1400 ppm to 700 ppm
-
Humidity reduced from 68% to 45%
-
Noticeable improvement in children's respiratory symptoms
The clients especially appreciated the smart functionality, which automatically adjusted ventilation during cooking, cleaning, and even during the night when rooms were occupied.
Why choose AirGreen for your smart ventilation installation?
At AirGreen, we don’t just install equipment — we provide tailored solutions based on a comprehensive analysis of your building and daily lifestyle. Here’s what sets us apart:
-
Certified team in ventilation balancing and indoor air quality diagnostics
-
Expertise with leading brands like Zehnder, Venmar, Aldes, Broan
-
Thorough after-sales service and proactive maintenance
-
Assistance with obtaining provincial and municipal energy-efficiency grants
Smart ventilation: a strategic choice for health and energy savings
Opting for smart ventilation isn’t just about comfort. It’s also an investment in health, energy efficiency, and the long-term durability of your home. In urban areas like Laval, Montréal, Longueuil, Rive Nord, and Rive Sud, indoor pollution sources are often underestimated. A smart ventilation system acts as an active barrier against these pollutants.
Practical tips to keep your ventilation system effective
-
Check and replace filters every 3 to 6 months
-
Have your system inspected by a professional at least once a year
-
Keep air supply and return diffusers clear of obstructions
-
Monitor alerts sent via the smart app
Call to action
Do you live in Laval, Montréal, Longueuil, on the North Shore or South Shore and are concerned about your indoor air quality? Don’t wait for symptoms to worsen. Contact our specialized AirGreen team today for a comprehensive evaluation and a customized ventilation solution tailored to your needs.
