How to Eliminate Cigarette Odour in a Home?

Cigarette odour is one of the most stubborn and difficult to eliminate in a home. Whether you've just bought an apartment or a former smoker lived there, or you simply want to freshen up your space, this odour gets into the walls, fabrics, carpets and even ventilation ducts. Here are the professional methods to get rid of it permanently.

Why cigarette odour is so persistent

Cigarette smoke contains over 7,000 chemical compounds, many of which are microscopic particles that stick to all surfaces. These residues, called "third-hand smoke", form a yellowish, sticky layer on walls, ceilings, fabrics and furniture. Contrary to what many think, airing out the room is not enough: nicotine and tar molecules are deeply embedded in the materials.

The most affected surfaces

• Walls and ceilings: the paint absorbs smoke particles and turns yellowish
• Carpets and rugs: the fibers hold odours deep down
• Curtains and upholstery: textiles absorb and retain smoke
• Ventilation ducts: smoke circulates and settles throughout the HVAC system
• Woodwork and cabinets: wood is porous and absorbs odours easily
• Electrical system: residue settles even in outlets and switches

Professional methods to eliminate the odour

1. Complete wall and ceiling cleaning

The first step is to wash all hard surfaces with a specialized degreasing solution. Products based on trisodium phosphate (TSP) are particularly effective at dissolving nicotine residue. After washing, applying an odour-blocking primer before repainting is often necessary to completely seal remaining residue.

2. Deep carpet and fabric cleaning

Carpets and rugs require high-temperature steam cleaning to penetrate deep and neutralize odours. For severe cases, an enzymatic treatment may be necessary to break down odour molecules at the chemical level. To learn more about cleaning your carpets, read our article on carpet cleaning in winter in Montreal.

3. Ozone treatment

Ozone treatment is one of the most effective methods to eliminate cigarette odours. An ozone generator produces O3 molecules that oxidize and destroy the chemical compounds responsible for the odour. This method is used in the most severe cases and must be performed by professionals, as ozone is harmful to humans and animals during treatment.

4. Ventilation duct cleaning

Ventilation ducts are often overlooked, but they can be a major source of persistent odour. Professional duct cleaning eliminates accumulated residue and prevents recirculation of contaminated air throughout the house.

5. Replacing filters and porous materials

In extreme cases, some heavily saturated porous materials will need to be replaced rather than cleaned: carpet underlayment, bathroom caulking, ventilation filters and sometimes even the drywall of the most affected walls.

Additional tips

• Baking soda: sprinkle it on carpets and fabrics, let it sit overnight and vacuum. It absorbs some of the odours
• White vinegar: place bowls of white vinegar in the rooms to absorb ambient odours
• Activated charcoal: an excellent natural odour absorber to place in cabinets and closets
• HEPA air purifier: helps filter airborne particles between cleanings

Note: air fresheners and scented candles only mask the odour temporarily without eliminating it. For a permanent result, a deep cleaning is essential.

Call on Y CLEAN

Completely eliminating cigarette odour requires a systematic approach and professional products. At Y CLEAN, our team is trained and equipped to handle this type of situation. Our deep cleaning service includes a complete cleaning of every surface, carpet and fabric treatment, and ventilation duct disinfection.

We serve all of Greater Montreal: Montreal, Laval, Longueuil, Brossard and the entire South Shore and North Shore. To find out our rates, check out our house cleaning price guide for Montreal.