You moved into the neighborhood a few years ago—maybe into a 1970s apartment building on Queen-Mary, or perhaps into a duplex you bought after years of saving. Ever since that first winter, your furnace filters have been getting clogged quickly, dust settles on the furniture within two days, and someone in the house coughs more than usual as soon as the heat comes on. It’s not your fault. It’s what’s been circulating in your ducts for years, and it gets released back into the air every time the system starts up.
Duct Cleaning in Côte-des-Neiges: Why It Matters Here
Côte-des-Neiges is one of Montreal’s most densely populated and diverse neighborhoods. It features an unusual mix of large rental buildings constructed in the 1960s and 1970s, pre-war duplexes and triplexes, and a few more recent condos. What these buildings often have in common is the same blind spot: ventilation systems that haven’t been cleaned since they were installed, in units that have been passed down through several generations of tenants or owners without anyone ever asking about them.
In older buildings in the area, shared ventilation ducts—or those shared among units—are particularly prone to the buildup of decades of dust, various kitchen residues, and mold spores in damp sections. For families who have purchased their first home in the neighborhood after years of renting, discovering the true condition of the ventilation system often comes as a surprise.
Côte-des-Neiges Road and Côte Sainte-Catherine are among the busiest thoroughfares in the area. The concentration of fine particulate matter in the air is a real concern, and it finds its way into homes. Combined with ductwork that has never been cleaned, this creates exactly the kind of indoor air quality that leads to chronic respiratory symptoms in children and sensitive individuals.
Vortex Air has been working in this type of building for over a decade. Mohamed and Omar have seen configurations found only in postwar Montreal buildings—shared ducts serving multiple units, makeshift sections created during successive renovations, and air exchangers installed in spaces originally designed for other purposes. Their INVC-certified technicians have served more than 500 families in the Greater Montreal area, and they know exactly what to look for in a building in this sector.
What We Clean at Your Home in Côte-des-Neiges
Cleaning ventilation ducts
This is the service that has the most direct impact on what you breathe every day. We cover the entire ductwork system—main ducts, branch ducts, return air ducts, and every vent in every room—using a negative-pressure extraction system with HEPA filtration. Dust that has accumulated over the years, allergens, mold spores, and organic residues—all of it is removed from the system. In a busy household with children, you’ll notice the difference right away after the service.
Cleaning a wall-mounted unit (heat pump / wall-mounted air conditioner)
Wall-mounted units have become common in homes in Côte-des-Neiges, particularly in apartments without central air conditioning, where summers can be difficult to manage. These units quickly accumulate biofilm, dust, and mold in their fins and condensate pans, especially in heavily occupied homes. We disassemble the unit, thoroughly clean each component, and restore it to a clean, working condition.
Dryer Vent Cleaning
In apartment buildings and multi-unit complexes in the neighborhood, the dryer vent often runs through several walls and sometimes several floors before reaching the exterior outlet. It’s along this hidden path that lint accumulates—not in the filter that you empty after every load. A clogged vent puts extra strain on the motor, increases drying times, and poses a real fire hazard that is often underestimated in older buildings. We inspect and clear the entire vent path.
Cleaning of an Energy-Recovery Ventilator (ERV / Air Exchanger)
The air exchanger renews indoor air while recovering heat, which is essential in well-sealed homes where natural air exchange is limited. In a densely occupied apartment, its filters and heat exchange cores become clogged more quickly than elsewhere. A poorly maintained heat exchanger recirculates stale air rather than purifying it. The internal components should be cleaned according to the manufacturer’s specifications to restore truly effective air exchange.
Cleaning of the Central Heat Pump and Central Heating System
For homes that have switched to a central heat pump, regular maintenance of the coils, drain pans, and duct connections is necessary to maintain the system’s efficiency and prevent moisture problems in the ventilation system.
Furnace cleaning
Season after season, combustion residues and dust build up on the furnace’s internal components. In a busy family home, it works hard. Cleaning it before winter improves energy efficiency, eliminates that “start-up” odor in October, and helps detect problems before they turn into breakdowns in the middle of winter.
Bathroom Fan Cleaning
A clogged bathroom fan no longer removes moisture properly. In a household with several people, the bathroom gets heavy use, and an inefficient fan quickly leads to condensation on the ceilings and mold in the corners. We’ll disassemble the fan, clean the motor and the entire exhaust duct, and check that the exhaust system is working as it should.
Decontamination
In older buildings in the neighborhood where water infiltration may have occurred or where ventilation has been inadequate for years, active mold is sometimes found in the ducts. When this is the case, we perform a certified antimicrobial treatment. This is not a service we offer to everyone, but when it is necessary, we do not claim that cleaning alone is sufficient.
Odor Control
Persistent odors from cooking, tobacco, pets, or mustiness that don’t go away with regular cleaning often come from the ductwork itself. In a building where several households have lived over the years, these odors may have built up over time. They are neutralized at the source—in the ventilation system—not with a surface cleaner that merely masks the problem temporarily.
Complete system inspection
Before each service call, we perform a thorough inspection of your ventilation system. We assess the condition of the ducts, units, connections, and vents. In a building with an unusual layout, this step is even more important—we don’t start cleaning until we fully understand what we’re dealing with. This inspection is included in the visit at no cost and with no obligation.
Why Côte-des-Neiges Residents Choose Vortex Air
In a neighborhood as diverse as Côte-des-Neiges, trust is built differently. Residents in the area have often dealt with contractors who take advantage of their lack of knowledge, inflate estimates after a site visit, or bill for work without a clear explanation. What Mohamed and Omar have chosen to do is the exact opposite of that.
The inspection is free, with no obligation, and no sales pitch. We’ll take a look at the system, explain what we find in clear terms, and you decide. If your ducts are in good condition, we’ll tell you—even if that means leaving without a contract that day. The estimate you receive after the inspection is the final price. No additional charges during the work, and no surprises on the bill.
Vortex Air’s technicians are INVC-certified, and the company is in the process of obtaining NADCA accreditation—both of which are recognized standards in the residential ventilation industry in Canada. For a family investing in the air quality of their home, knowing that the team performing the work follows certified protocols is no small matter.
We’re available Monday through Sunday, from 7 a.m. to 9 p.m., and the hotline is staffed 24 hours a day. In a neighborhood where schedules vary and days are busy—what with work, kids, and school—this flexibility makes it possible to schedule a service call without having to completely rearrange your plans.
Frequently asked questions
How often should the ducts in a densely occupied residence in Côte-des-Neiges be cleaned?
The general rule is every 3 to 5 years, but in a family home with children or pets, or in a building where the ducts have never been cleaned since construction, we recommend not waiting. The number of occupants accelerates the buildup in the ducts. A free inspection allows you to assess the system’s actual condition.
What is the step-by-step process for a tour of Vortex Air?
We start with a complete visual inspection of the system, at no charge. We’ll explain what we found, provide you with a clear estimate, and wait for your approval. The service typically takes between 2 and 4 hours, depending on the size of the network. We protect floors and furniture, use a negative-pressure HEPA vacuum, and leave without making a mess.
Does duct cleaning really help with allergies and chronic respiratory problems?
Yes, in a measurable way. Ducts accumulate dust mites, mold spores, pet dander, fine particulate matter from traffic, and various organic residues, which are released back into the air every time the system starts up. Cleaning these ducts directly reduces the allergen load in indoor air. Families with children who have asthma or adults with respiratory sensitivities often notice an improvement within weeks of the cleaning.
What's the difference between your cleaning service and the low-cost options we see online?
A thorough cleaning covers the entire system using negative-pressure vacuuming, from the furnace to every air vent in every room. Low-cost services typically clean only the visible grates and stop there, without ever entering the ducts themselves. At Vortex Air, we clean the entire system or we don’t start at all—there’s no such thing as a partial or expedited service.
Do you also work in large apartment buildings in the area, not just in houses?
Yes. Part of our work in Côte-des-Neiges takes place in multi-unit buildings. Whether you own a duplex or manage an investment property, we adapt to the building’s layout. For buildings with multiple units, we can set up a phased service schedule based on availability.
Are the ducts in buildings constructed in the 1960s and 1970s harder to clean?
Sometimes, yes. These buildings often have unusual layouts, shared ductwork, sections made of less common materials, and connections that have been modified during successive renovations. We inspect the structural condition of the ducts before we begin. If we identify a section that requires special attention, we’ll let you know before proceeding any further.
What exactly is INVC certification?
The INVC (National Institute of Ventilation and Air Conditioning) is the professional certification body for ventilation technicians in Quebec. Being INVC-certified means having completed recognized training and following standardized protocols during every job. In a largely unregulated market, this is a tangible distinction—not just a logo with no real meaning.
Does Vortex Air serve the entire Côte-des-Neiges area, including the streets near the University of Montreal?
Yes, we serve the entire neighborhood, from the quiet residential streets near the Notre-Dame-des-Neiges Cemetery to the commercial thoroughfares along Chemin de la Côte-des-Neiges and the areas near the campus. If you live on the border with Snowdon or Notre-Dame-de-Grâce, call us at 514-214-7492 and we’ll confirm your address in two minutes.





