Las Vegas has one of the highest rates of smoker-owned homes in the country, which means smoke remediation is a frequent necessity — whether you’ve purchased a home from a smoker, are turning over a rental, or are dealing with a family member who smoked indoors for years. The challenge with cigarette odor specifically is that the volatile compounds — primarily nicotine and tar — penetrate and bond to every porous surface in a home. Masking with air fresheners does nothing to address this; only surface treatment and air treatment together produce lasting results.

How Smoke Odor Works

Smoke particles are microscopic and travel with air circulation to coat every surface in a room — walls, ceilings, HVAC registers, furniture, carpet, and even the inside of cabinets and closets. In Las Vegas, where AC runs constantly and recirculates air, smoke permeates the entire home uniformly. The nicotine and tar compounds off-gas continuously from contaminated surfaces, which is why smell persists long after smoking stopped. You cannot eliminate smoke odor by cleaning surfaces alone — the HVAC system must also be addressed, or it will continuously re-contaminate cleaned surfaces.

Step 1: HVAC and Duct Cleaning

Before cleaning any surface, replace all HVAC filters and schedule professional duct cleaning. Smoke deposits coat the interior of ductwork with a film that will continuously redistribute odor into the home as long as the system runs. Replace the air handler filter with a high-MERV activated carbon filter after duct cleaning — these absorb VOCs far more effectively than standard filters. Clean all return and supply registers with an all-purpose degreaser; they accumulate heavy deposits directly adjacent to the airflow.

Step 2: Walls and Ceilings

Walls and ceilings are the largest surface area and typically the heaviest concentration of smoke deposits. Wash all surfaces with a TSP (trisodium phosphate) solution or a dedicated smoke degreaser — this step is essential before repainting and should not be skipped. In heavily smoked homes, you’ll see the wash water turn yellow-brown from the nicotine being lifted off. After washing and drying, apply an oil-based primer (Zinsser BIN shellac-based is the professional standard) before repainting. Standard latex primer will not block the odor from continuing to off-gas through new paint. The shellac-based primer seals the surface and essentially encapsulates remaining compounds.

Step 3: Soft Surfaces

Carpet, drapes, and upholstered furniture absorb enormous quantities of smoke compounds. In severe cases, carpet should be replaced rather than cleaned — the padding beneath absorbs as much or more than the carpet fibers, and cleaning the carpet while leaving contaminated padding produces limited results. For moderate cases, professional hot-water extraction with an enzyme-based pre-treatment is the most effective cleaning approach. Drapes should be commercially laundered; dry cleaning alone doesn’t address odor compounds effectively. Upholstered furniture that has been heavily exposed often needs to be reupholstered or replaced.

Step 4: Hard Surfaces and Cabinets

Kitchen and bathroom cabinets, wood trim, windowsills, and hard flooring all accumulate a sticky nicotine film. An all-purpose degreaser or TSP solution on a microfiber cloth removes this residue. Don’t neglect the inside of cabinet interiors, drawer faces, and light switch plates — these areas accumulate deposits and people often overlook them. Clean light fixtures — the heat from bulbs makes them particularly effective at attracting and concentrating smoke compounds.

Ozone Treatment

Professional ozone treatment — using an industrial ozone generator run in the sealed, unoccupied home for 24–48 hours — oxidizes odor compounds at the molecular level and is highly effective when used after surface cleaning. Ozone treatment alone without surface cleaning provides temporary results; ozone combined with thorough surface cleaning is the professional standard for heavy smoke remediation. The home must be vacated during treatment and aired out completely before re-occupancy — ozone at treatment concentrations is harmful to breathe.