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Ozone Disinfection & Odor Removal – Oakville, Toronto & GTA
Treat the Smell & Find the root by a pro
When air fresheners fails, an ozone generator effectively completes the task of disinfection & odor removal.
What is Ozone Disinfection?
Ozone is responsible for that familiar "fresh after rain" smell. That scent is nature's own disinfection at work — and it's exactly what we replicate indoors.
Unlike HEPA filters or activated carbon purifiers that trap particles, ozone gas (O₃) actively breaks down odor molecules, bacteria, and contaminants at a chemical level.
It penetrates fabrics, carpets, wall cavities, and HVAC systems — spaces a surface cleaner can never reach.
This makes ozone treatment the most effective tool available for eliminating embedded odors: smoke, mildew, pet urine, flood damage, and post-renovation off-gassing.
Because ozone is highly reactive, all treatments are performed in unoccupied spaces and properly ventilated before re-entry.
No chemicals. No residue. No shortcuts.
What Problems Does It Solve?
Smoke & Fire Damage
Cigarette smoke, cannabis smoke, and fire smoke bond to walls, ceilings, insulation, and HVAC systems at a molecular level, making indoor environmental restoration a challenging task. Standard cleaning will not effectively handle embedded smoke odors, but an ozone generator can break down the carbon-based compounds that cause these unpleasant smells, ensuring effective odor removal.
Mold & Mildew Odors
After a water damage remediation or basement flood, even when the mold itself is removed, the musty odor often lingers in the air and in porous materials. Utilizing an ozone generator can effectively aid in indoor environmental restoration by neutralizing the microbial VOCs responsible for that unpleasant smell and helping to prevent regrowth.
Pet Odors
Urine, dander, and animal odors don't just sit on surfaces — they penetrate sub-flooring, carpet padding, and drywall. Standard cleaners never reach those layers. Ozone gas does, breaking down the compounds at their source rather than masking them.
Water & Flood Damage Aftermath
Flooding introduces bacteria and organic material into wall cavities, under flooring, and into insulation. These materials decompose and create persistent odors that can worsen over time, making effective odor removal essential. To ensure a successful indoor environmental restoration, ozone treatment is a critical step in the complete restoration process.
Vacant & Tenant-Turnover Properties
Properties that have been closed for extended periods, or units with accumulated cooking, smoke, or pet odors from tenants, greatly benefit from indoor environmental restoration through ozone treatment using an ozone generator before relisting or renovation for effective odor removal.
Post-Renovation Off-Gassing
New materials — paints, adhesives, flooring, cabinetry — release VOCs into the air for weeks after installation. An ozone generator can accelerate the breakdown of these compounds, significantly improving indoor environmental restoration and enhancing indoor air quality much faster, along with effective odor removal.
The cost ranges between $699 to $1399, depending on the square footage.
However, for most common applications, the cost would be $699.
There is currently a $200 rebate on this service, using Coupon Code "ozone200"
How The Process Works?
Step 1 - Assessment
Before treatment, we assess the space to facilitate indoor environmental restoration, identify odor sources, and determine the duration and intensity of the odor removal treatment required. The ozone generator's concentration and exposure time must be calibrated to the size of the space and the severity of the problem.
Step 2 - Preparation
All people, pets, and plants must vacate the space to ensure effective indoor environmental restoration. Perishable food items should be removed or sealed, and while sensitive electronics can remain, they should be covered to protect them during the odor removal process. An ozone generator may also be used to assist in this restoration.
Step 3 - Treatment
Our professional-grade ozone generator is essential for indoor environmental restoration, operating for a calculated period of 2 to 6 hours based on the square footage and severity of the issue. During this time, the ozone penetrates all surfaces, fabrics, cavities, and air channels, effectively aiding in odor removal.
Step 4 - Ventilation & Re-entry
After treatment, the space undergoes indoor environmental restoration and is ventilated for a minimum of 1 to 2 hours before re-entry. By the time occupants return, residual ozone produced by the ozone generator has fully converted back to regular oxygen. There is no chemical residue, ensuring effective odor removal.
Step 5 — Verification
In severe odor cases, a second visit may be recommended 48–72 hours later to assess results from the odor removal process and determine whether an additional treatment cycle is needed, potentially utilizing an ozone generator as part of the indoor environmental restoration efforts.
Ready to Eliminate the Problem for Good?
Then it is time to say goodbye to the persistent odors that won't go away, thanks to effective indoor environmental restoration techniques offered by ThermaScan
Frequently Asked Questions
Is ozone disinfection safe?
Yes — when performed by a trained professional following proper protocols. Ozone at high concentrations is harmful to humans, pets, and plants, which is why the space must be fully vacated during treatment. Once treatment is complete and the space is ventilated for a minimum of 1-2 hours, ozone naturally converts back to regular oxygen and leaves zero chemical residue. ThermaScan uses professional-grade equipment with calibrated concentration and timing — this is not a DIY process.
How much does ozone disinfection cost in Oakville or Toronto?
ThermaScan's ozone disinfection service ranges from $699 to $1,399 depending on the square footage of the space and the severity of the odor. The majority of residential treatments are $699. A $200 discount is currently available using coupon code OZONE200 at booking.
How long does an ozone treatment take?
The ozone generator runs for 2 to 6 hours, calibrated to the size of the space and severity of the odor. After treatment, the space is ventilated for a minimum of 1-2 hours before re-entry. For severe odor cases, a follow-up verification visit may be recommended 48-72 hours later.
There is currently a $200 rebate on this service, using Coupon Code "ozone200"
What odors does ozone treatment eliminate?
Ozone treatment effectively eliminates smoke odors (cigarette, cannabis, fire), mold and mildew odors, pet urine and dander odors, water and flood damage odors, cooking odors embedded in surfaces, and post-renovation VOC off-gassing from paints, adhesives, and new flooring.
What makes ThermaScan different from other ozone service providers?
Most ozone services are performed by cleaners or basic restoration contractors. ThermaScan is operated by Ali Shakeri, a Building Engineer (B.Eng.) with 28+ years of construction and renovation experience. Because odors are almost always a symptom of a deeper structural problem — hidden moisture, a failed vapor barrier, or an unsealed penetration — Ali can identify the root cause and advise on what needs to be fixed, preventing the odor from returning. In many cases he combines ozone treatment with a thermal scan to detect hidden moisture or mold sources.
Do I need to prepare anything before the ozone treatment?
Yes. All people, pets, and plants must vacate the space before treatment begins. Perishable food items should be removed or sealed. Sensitive electronics can remain but should be covered. ThermaScan will walk you through the full preparation checklist during the assessment step.
Will the ozone treatment damage my furniture, flooring, or electronics?
No. Ozone treatment is safe for all standard building materials and contents including furniture, flooring, electronics, clothing, HVAC systems, drywall, and wood. Ozone leaves no chemical residue — it reverts entirely to oxygen after the ventilation period.
Does ThermaScan offer ozone disinfection outside of Oakville?
Yes. ThermaScan serves Oakville, Toronto, Mississauga, Burlington, Milton, Hamilton, Etobicoke, and the broader Greater Toronto Area. Service is also available in Montreal. Contact ThermaScan at 514-797-9411 or info@thermascan.ca to confirm availability in your city.
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