Improve indoor air quality in Longueuil with strategic ventilation maintenance
At AirGreen, we understand that indoor air quality plays a key role in the comfort and health of occupants, whether in a home or a commercial building. Yet, the ventilation system is often overlooked, even though it quietly removes contaminants, regulates humidity, and ensures constant airflow. A poorly maintained system can lead to health issues, reduced energy efficiency, and even costly breakdowns. If you live in Longueuil, on the South Shore, and are noticing some warning signs, it may be time to act.
Here are the 7 major signs that your ventilation system needs an emergency cleaning, based on our real-world experience in Longueuil and the surrounding areas.
1. Persistent dust buildup despite regular cleaning
If you clean your home regularly but dust keeps coming back quickly, it could mean your air ducts are clogged. In Longueuil, several residential customers were shocked to discover how much dust had accumulated in their systems, affecting air quality and overloading their heating or central air conditioning systems.
At AirGreen, we recently cleaned a CVAC system in a duplex in the Fatima area where over 1.5 kg of debris was removed from the ducts. After our intervention, the homeowner noticed significantly less dust and a noticeable improvement in indoor odor.
2. Unpleasant or musty odors coming from vents
A musty, damp, or stale smell coming from your vents is often a clear sign of mold or mildew growing inside the ductwork. These odors can result from stagnant condensation or poor airflow in neglected systems.
In Old Longueuil, we were recently called to a commercial building where employees complained of foul smells. A full cleaning of the ventilation network revealed multiple mold colonies inside the ducts. Once removed, the air returned to a fresh and healthy state.
3. Unexplained respiratory symptoms
Throat irritation, nasal congestion, frequent headaches, or even asthma attacks can be directly linked to contaminated ventilation. These signs of poor indoor air quality are especially common among children, seniors, and those with sensitivities.
We recently helped a family in the Saint-Hubert area whose two children were experiencing frequent respiratory issues. After a camera inspection and a thorough cleaning, symptoms significantly diminished, clearly showing the connection between the ventilation system and health.
4. Unusual noises coming from ducts
Whistling, rumbling, or banging noises coming from the ducts may signal a blockage, loose components, or a buildup of debris. A properly functioning system should operate quietly.
During a recent service call in Longueuil to a medical facility, our technicians discovered ducts partially obstructed by an old rodent nest. This not only reduced the system’s performance but also posed a serious health risk.
5. Unexplained spike in electricity bills
A clogged CVAC system forces fans to work harder to maintain proper airflow, leading to excessive energy consumption. If your electricity bills have increased without a clear reason, your ventilation system may need urgent attention.
In a six-unit residential building in Longueuil, we showed an average 18% reduction in tenants’ electricity bills after a complete ventilation network cleaning.
6. Insects or debris coming through vents
Finding insects, cobwebs, or leaves in your air vents is a clear sign that the system is not properly sealed or filtered. This can contaminate the air and even damage connected systems like the furnace or heat pump.
At AirGreen, we’ve installed HEPA filters and sealed access points in several homes across Longueuil to prevent these types of problems while maintaining optimal efficiency.
7. You can’t remember the last time your system was cleaned
According to Health Canada and CVAC industry standards, a full professional cleaning should be done every 3 to 5 years—or more often if you have pets, allergies, or a heavily used system. If you don’t recall when it was last done, that’s already a red flag.
We regularly encounter cases where no cleaning has been done since the system was installed—sometimes more than 10 years ago. This kind of neglect can seriously reduce system performance and endanger occupants’ health.
Why choose AirGreen for your ventilation cleaning in Longueuil?
AirGreen is a company specialized in installation, maintenance, and repair of CVAC systems in Longueuil, Montréal, Laval, the South Shore, and the North Shore. Our services are thorough, well-documented, and include technical reports with photos, so you get full transparency.
We use top-of-the-line equipment (HEPA-filtered industrial vacuums, inspection robots with cameras, eco-friendly approved products) to deliver efficient, safe cleaning that respects your indoor environment.
What we offer:
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Pre-cleaning analysis with camera inspection available upon request
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Thorough cleaning of all main and secondary ducts
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Safe disinfection with certified products
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Evaluation of your entire system’s condition
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Personalized advice to improve air quality and energy efficiency
Tips for maintaining your ventilation system between professional cleanings
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Change filters every 3 months, or more often if you have pets
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Never block air vents with furniture or objects
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Use an air purifier if you suffer from allergies
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Have your system inspected after renovations or dusty work
AirGreen: your ventilation partner in Longueuil
Whether you own a condo, manage a building, or operate a business in Longueuil, don’t underestimate the importance of a clean ventilation system. At AirGreen, we put our expertise to work for you to ensure healthy air, energy savings, and optimal comfort year-round.
Contact us today to schedule an inspection or full cleaning. We respond quickly, professionally, and efficiently throughout Longueuil and the South Shore.