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Cleaning ventilation ducts

Eliminate dust, allergens and mold—for healthier, safer indoor air.
Cleaning ventilation ducts

Does the air in your home smell musty even after you've cleaned it? Does dust keep coming back to your furniture? Do your allergies get worse when the heating or air conditioning is on?

The problem probably lies with your ventilation ducts that redistribute the same dirt and contaminants throughout your home.

Why clean your ventilation ducts?

Direct impact on your respiratory health

Your ducts accumulate dust, pollen, mold spores, bacteria pis animal waste that constantly circulate in the air you breathe.

The U.S. EPA confirms that indoor air can be 2 to 5 times more polluted than outside air, mainly due to contaminated ducts.

Compromised energy efficiency

Dirty ducts force your heating or air-conditioning system to work harder 25-40% stronger to maintain desired temperatures.

The accumulation of dirt on the cooling coils pis heating elements drastically reduces their heat exchange capacity.

Reduced equipment service life

When your system constantly forces against the resistance caused by fouling, all components wear out prematurely. A system that should last 15-20 years may fail after 8-12 years.

Types of ventilation systems cleaned

Residential central heating systems

  • Natural gas furnacesAll makes and models
  • Electric furnacesBaseboards with forced-air distribution
  • Oil furnaces: Older systems still in use
  • Boilers with ventilationHot air distributed by ducts

Air conditioning systems and heat pumps

  • Central air conditioning: Coils and cold air ducts
  • Air-to-air heat pumpsHeating and cooling
  • Geothermal systemsUnderground heat exchangers with distribution
  • Evaporative coolersLess common but still present

Specialized ventilation systems

  • Échangeurs d’air VRC/VRE: Ventilation with energy recovery
  • Bathroom ventilationMoisture and odor removal
  • Kitchen hoodsSteam and grease evacuation
  • Central vacuum systemsBuilt-in vacuum cleaners

Commercial and industrial installations

  • Offices and shops: Multi-zone HVAC systems
  • RestaurantsKitchen and dining room ventilation
  • Medical clinicsHigh health standards
  • Plants and warehousesHigh-capacity systems

Our 10-step cleaning process

1. Full diagnostic inspection

  • Visual assessment: Condition of air vents, filters, air returns
  • Camera inspectionDeep exploration with HD camera
  • Air flow testsMeasuring obstructions and restrictions
  • Sampling if necessary: Samples for microbiological analysis

2. Protecting your property

  • Covering furniture: Sealed plastics on all
  • Floor protection: Non-slip canvas
  • Zone insulation: Contaminant dispersion prevention
  • Secure access: Equipment that won't damage your decor

3. Preparing the ventilation system

  • Safe stop: Power/gas cut
  • Conduit accessOpening strategic access points
  • Component disassembly: Grilles, diffusers, registers
  • Equipment protection: Motors, coils, electronics

4. Intensive mechanical duct cleaning

  • Pneumatic rotary brushesDislodging all accumulations
  • HEPA vacuum systemCaptures 99.97% of 0.3+ micron particles
  • High-pressure Air WhipsTurbulence to loosen stubborn residues
  • Sectional cleaningSystematic progression across the network

5. Cleaning system components

  • Evaporator coilsGentle cleaning without damaging fins
  • Fans and turbinesDegreasing and rebalancing
  • Condensation pansComplete disinfection of wet areas
  • Heating elementsElectric or gas, depending on installation

6. Antimicrobial surface treatment

  • Application of biocidal agents: Eliminates bacteria, molds and viruses
  • EPA-certified products: Safe for residential use
  • Contact time respectedMaximum treatment efficacy
  • Rinse if necessaryDepending on product and surface treated

7. Cleaning air vents and returns

  • Complete disassembly: Grilles, registers, diffusers
  • Intensive degreasing: Elimination of fatty deposits
  • DisinfectionAntimicrobial treatment of all surfaces
  • Polishing: Refurbished appearance

8. Filter replacement or cleaning

  • Condition assessmentDetermining replacement vs. cleaning
  • High-efficiency filtersUpgrade to MERV 8-11 if appropriate
  • Specialized filtersHEPA, activated carbon as required
  • Correct installationOptimal orientation and sealing

9. Leak check and minor repairs

  • Leak detectionSmoke or pressure test
  • Seal cloggingHVAC specialty sealants
  • Duct repairDamaged or disconnected sections
  • Poor insulationAdd or replace if necessary

10. Reassembly and performance testing

  • Methodical reinstatementAll components in reverse order
  • Function testsHeating, air conditioning, ventilation
  • Performance measurementBefore/after comparison
  • Final adjustmentsOptimization of air flow and distribution

Typical contaminants for disposal

Organic accumulations

  1. House dustMixture of fibers, dead cells, mites
  2. Seasonal pollenmaples, birches, herbaceous plants that penetrate
  3. Mould spores: Development in wetlands
  4. Pathogenic bacteriaGrowth in moist biofilms
  5. Animal wasteHair, scales, pheromones, excrement

Chemical and industrial contaminants

  1. Smoke residue: Cigarettes, fireplace, cooking
  2. Cleaning productsVapors condensing in ducts
  3. Volatile organic compoundsPaints, glues, solvents
  4. Building particlesGypsum board, insulation, fibers
  5. Greasy deposits: Solidifying cooking fumes

Physical debris and obstructions

  1. Lost and foundToys, jewelry, coins
  2. Building materialsScrews, nails, pieces of wood
  3. Animal nestsMice, squirrels, birds
  4. Loose insulationBlocking air circulation
  5. Leaves and outdoor debrisAir intakes

Professional duct cleaning equipment

High-performance vacuum systems

  1. Portable Power Unit 16HP16000 CFM suction with HEPA filtration
  2. Truck-Mounted SystemMobile unit with maximum power
  3. Cyclone Pre-SeparatorSeparation of heavy debris and fine dust
  4. HEPA Final FiltrationGuaranteed 99.97% particles captured

Mechanical cleaning tools

  1. Cobra Drill SystemFlexible brushes for rectangular/round ducts
  2. Pneumatic BrushesCompressed-air rotary brushes
  3. Power RodderRigid rod system for straight ducts
  4. Skipper BallControlled-percussion cleaning

Advanced cleaning technologies

  1. Compressed Air WhipsHigh-pressure directional air jets
  2. Reverse Skip CleaningOptimized countercurrent technology
  3. Video InspectionHD cameras for documentation and quality control
  4. Air Flow Measurement: Laboratory precision digital anemometers

Recommended cleaning frequency

Standard residences with no particular problems

  • Every 3-5 years: Optimum preventive maintenance
  • Every 2-3 yearsIf pets or smokers
  • AnnuallySevere allergies or respiratory problems
  • After eventsRenovations, water damage, infestations

Situations requiring more frequent cleaning

  1. New buildingsAfter moving in (construction debris)
  2. Major renovationsGypsum dust and materials
  3. Water damagePrevention of mold growth
  4. Change of occupants: Eliminating previous allergens

Commercial and institutional use

  1. OfficesEvery 2-3 years depending on occupancy density
  2. RestaurantsAnnually (grease and fumes)
  3. Clinics/HospitalsAccording to health protocols (often quarterly)
  4. Schools/KindergartensBefore the start of each school year

Immediate benefits after cleaning

Improving indoor air quality

  • Allergen reduction up to 90% according to EPA
  • Elimination of odors persistent and stubborn
  • Cooler air and an immediate feeling of cleanliness
  • Reduce respiratory symptoms for sensitive occupants

Optimized energy performance

  • Increased air flow from 30-50% on average
  • Heating/cooling time significantly reduces
  • Energy consumption reduced by 15-25%
  • More uniform temperatures in all rooms

Enhanced comfort and well-being

  1. Less dust on furniture and surfaces
  2. System noise reductionLess turbulence and vibration
  3. Better sleep: Cleaner air promotes restful sleep
  4. Increased productivity: Healthier working environment

Certifications and standards

Industry standards followed

  1. NADCA Standards: In the process of certification international association
  2. INVC Guidelines: Active member National Ventilation Institute Canada
  3. EPA Protocols: Procedures Environmental Protection Agency
  4. Quebec Building CodeProvincial regulatory compliance

Ongoing training for technicians

  1. Certification HVAC: Annual update on new technologies
  2. Safety training: Safe handling of equipment and products
  3. Advanced techniques: Continuous improvement of methods
  4. Customer service: Relationship excellence with owners

Full warranty on duct cleaning

90-day satisfaction guarantee

If you don't notice a significant improvement in your air quality, we'll come back and redo the job at no extra charge.

60-day anti-odour guarantee

Odors persist after treatment? We'll be back with a free reinforced antimicrobial treatment.

Photographic documentation included

Before-and-after photos of each section cleaned to prove the effectiveness of our work.

Personalized telephone follow-up

Follow-up call 30 days after service to ensure your complete satisfaction.

Substantial long-term savings

Reducing energy bills

Clean system can reduce 20-30%. On an annual bill of 2400$, savings of 480-720$.

Equipment life extension

Regular cleaning can extend the life of 5-8 years. Avoid premature replacement of 8000-15000$.

Reduce medical costs

Fewer allergies, asthma and respiratory infections. Savings on medical consultations and medication.

Increase in property value

Ventilation system certified clean by professional inspection increases attractiveness to potential buyers.

Breathe clean air in your home at last

Your lungs deserve better than the stale air that's been circulating through dirty ducts for years. Give your family the clean air they deserve.

Free inspection and quotation

Call now: 514-214-7492 Online: https://vortexair.ca E-mail: info@vortexair.ca

📍 Vortex Air ventilation
📍 9187 boulevard de l’Acadie, Montréal, QC H4N 3K1

Vortex Air – L’expertise qui fait la différence depuis plus de 10 ans INVC certification

• Équipement de pointe

• Techniciens expérimentés

• Assurance 2M$

7-day/week service - Over 500 satisfied customers - 90-day satisfaction guarantee

Questions fréquentes sur le nettoyage de conduits de ventilation

Comment savoir si mes conduits de ventilation sont vraiment sales ou si c’est juste normal d’avoir un peu de poussière?

De la poussière, c’est normal. Mais quand elle revient deux jours après avoir nettoyé, là c’est autre chose. Sur le terrain, on le voit tout de suite : conduits tapissés de débris, retours d’air noirs, odeur de renfermé dès que le chauffage part. Si tes allergies empirent seulement quand le système fonctionne, c’est presque jamais une coïncidence.

Est-ce que des conduits sales peuvent vraiment affecter la santé de ma famille?

Oui, et pas juste un peu. On a travaillé chez des familles où les enfants faisaient de l’asthme léger depuis des années. Après un nettoyage complet, les symptômes ont diminué clairement. Les conduits redistribuent tout : pollen, spores, bactéries. Quand c’est sale, tu respires ça tous les jours sans t’en rendre compte.

Pourquoi la poussière revient toujours, même avec des filtres neufs?

Parce que le filtre protège l’équipement, pas les conduits existants. Une erreur qu’on voit souvent, c’est de penser qu’un bon filtre règle tout. Si les parois internes sont déjà contaminées, chaque cycle de ventilation remet la poussière en circulation. Le filtre aide, mais il ne nettoie pas l’historique du système.

Est-ce vrai que des conduits sales font augmenter la facture d’électricité ou de gaz?

Absolument. Quand on mesure le débit avant et après nettoyage, la différence est souvent frappante. Un système qui respire mal doit forcer plus longtemps pour atteindre la température. Résultat : plus d’heures de fonctionnement, plus d’usure, plus de consommation. On a vu des baisses de facture très concrètes après intervention.

À quelle fréquence devriez-vous vraiment nettoyer vos conduits au Québec?

Dans la vraie vie, pas dans les brochures :

  • Aux 3–5 ans pour une maison standard
  • Aux 2–3 ans avec animaux ou fumeurs
  • Annuellement si allergies sévères
  • Immédiatement après rénovations ou dégâts d’eau

Notre climat, avec le pollen, l’humidité et les chantiers, encrasse plus vite qu’on pense.

Est-ce que le nettoyage de conduits est utile même dans une maison relativement neuve?

Oui, surtout dans les maisons neuves. On retrouve souvent plus de saleté que dans des maisons de 20 ans. Résidus de construction, poussière de gypse, vis, isolant… Les conduits servent de poubelle pendant les travaux. Nettoyer après l’emménagement, c’est presque toujours une bonne décision.

Quelle est la plus grosse erreur que vous voyez chez les propriétaires?

Faire nettoyer seulement ce qu’ils voient. Les bouches d’air sont propres, mais le reste du réseau ne l’est pas. Autre erreur : accepter un nettoyage ‘’rapide’’ sans inspection caméra ni aspiration HEPA. Un vrai nettoyage prend du temps et suit une méthode précise. Sinon, c’est de l’air brassé pour rien.

Est-ce que tous les systèmes de ventilation se nettoient de la même façon?

Non, et c’est crucial. Une fournaise au gaz, une thermopompe ou un système géothermique n’ont pas les mêmes contraintes. Les serpentins, les ventilateurs, les conduits rectangulaires ou ronds demandent des outils différents. Quand on adapte pas la méthode, on peut endommager le système ou laisser la moitié de la saleté en place.

Combien de temps dure un vrai nettoyage de conduits bien fait?

Pour une maison standard, compte entre 3 et 5 heures. Moins que ça, on coupe des coins ronds. On nettoie par sections, sous aspiration constante, avec inspection avant et après. Quand on repart, on peut te montrer exactement ce qui a été retiré. Pas de devinettes.

Est-ce que le nettoyage élimine vraiment les odeurs persistantes?

Dans la majorité des cas, oui. Les odeurs viennent souvent de dépôts graisseux, d’humidité stagnante ou de contaminants organiques. Quand on nettoie mécaniquement et qu’on applique un traitement antimicrobien approprié, l’odeur disparaît. Si elle revient, on revient aussi — c’est souvent signe d’un foyer précis à traiter davantage.

Est-ce que ça vaut l’investissement à long terme?

Clairement. Entre les économies d’énergie, la durée de vie prolongée de l’équipement et la réduction des problèmes respiratoires, le nettoyage se paie souvent tout seul. Sans parler de la tranquillité d’esprit. Éviter une panne majeure ou un remplacement prématuré, ça fait une grosse différence.

Comment savoir si le travail a été bien fait après le nettoyage?

Tu devrais sentir la différence rapidement :

  • Cooler air
  • Moins de poussière sur les meubles
  • Système plus silencieux
  • Température plus uniforme

Un vrai professionnel te montre aussi des photos avant/après et prend le temps d’expliquer ce qu’il a trouvé. Si rien ne change, quelque chose a été manqué — et ça mérite d’être corrigé.

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Service Form

🧼 10% discount on first service

New customer? Enjoy 10% off a full cleaning.

🎁 Free cleaning ($80 value)

Enjoy dryer or fan cleaning, included with a full service.

📋 Free inspection report

Receive a clear report on the status of your system, free of charge.

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Services we offer in this area

Eliminating ventilation odors

Elimination of odors

Odors in your ducts often come from mold, bacteria, or stagnant air. We eliminate the cause—not just the scent.
Decontamination of ventilation systems

Decontamination of ventilation systems

Biological buildup in your pipes can be harmful to your health. Our certified team eliminates it at the source—safely and effectively.
Complete ventilation inspection

Complete Inspection

Our certified inspection reveals what's hiding in your ducts—dust, mold, loss of efficiency—so you can take action in time.
Bathroom Fan Cleaning

Bathroom Fan Cleaning

A clogged bathroom fan can't remove moisture. Our cleaning helps prevent mold and air quality problems.
Dryer Vent Cleaning

Dryer Vent Cleaning

Lint buildup is an often-overlooked fire hazard. Professional cleaning protects your home and improves drying.
Wall unit cleaning

Wall unit cleaning

Your wall-mounted air conditioner cools you down, but it also traps dust and mold. A thorough cleaning restores freshness and performance.

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🌟 Why choose Vortex?

When it comes to ventilation cleaning, we don't just clean - we look after your air as if it were our own. Here's why our customers trust us:

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Certified expertise

Technicians trained, certified and compliant with industry standards.

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Health approach

Non-toxic methods for eliminating allergens, dust and mold.

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State-of-the-art equipment

Modern tools for a thorough, fast, and well-done cleaning—the first time.

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Fast and reliable service

We arrive on time, we respect your space, and we work efficiently.

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Transparent pricing

Clear quote, no hidden costs, adapted to your budget.

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Satisfaction guaranteed

Not 100% satisfied? We're not done yet. That's our promise.

We take care of ventilation so you can breathe easily

Over 500 satisfied customers and 1000 healthy lungs.

Giulia Salvatore

June 19, 2025

Thank you to the Vortex Air Ventilation technician for cleaning my air exchanger. Excellent service, courteous and very professional. Fast, careful work at a very competitive price. I highly recommend!

Ahmad Borghol

June 19, 2025

Wow! I never thought I'd find so much dirt and mold in my air conditioner! Omar and Mohamed were impeccable from the appointment booking to the end of the service. Really nothing to complain about, they made sure everything was perfect. Thanks to the guys! 100% recommend.

E & C

June 19, 2025

Great experience with the Vortex team. Very professional and pleasant technicians. They cleaned the air conditioners, the air recycler, and the dryer... Everything was very good, and I even received maintenance advice. Excellent value for money. I recommend!
Excellent value for money. I recommend it!

Stéphanie Legault

June 19, 2025

Very professional service. Plenty of availability. Diligent work and excellent communication. Always available to answer our questions 🙂

Kenza Belayadi

June 19, 2025

Thank you very much, very good experience with them. Cleaning of the ventilation in the entire building in Montreal. Very good price ratio, thank you.

Laurence bakam

May 29, 2025

Very good price for the dryer, air conditioning and air exchanger. They are courteous and very clean. I recommend!

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