One of the most common uses of ozone generator is ozonation of car to remove unpleasant odors Regardless of whether you are dealing with cigarette smoke, musty / mold, spilled milk, or any other – using an ozonator, you can easily get rid of them if you follow a few standard p


Just as with any ozone treatment always start by removing / purify the source of the smell ! For example, if you are dealing with mold than mechanically clean the contaminated areas, if possible with the use of cleaning agents and / or fungicides. If you have a problem with rodents / insects than remove any nests, dead animals, their feces / urine that only you can find. If the source of the smell is stain / spill on the carpet or upholstery, pre-wash affected area or wash them completely.


At this stage, you are ready to use ozone generator. Depending on the type of the ozonator, and the specific situation you can set it inside or outside the car. For many ozone generators (eg. For OZONIZER 7 ) often easiest way is to set it inside the car , on the front passenger seat or armrest and connect to an extension cord. Extension can slip through the slightly opened window or door ajar.

If you are using ozonator, which has the ability to connect the ventilation pipe at the output of ozone then it can be set outside of the car. Ozone is then drawn into the interior of the car via said pipe that you need to enter through the slightly opened window. This generally requires that a user has found a way to seal the rest of the opened window, eg. using a wide masking tape, foam sheets or foil, etc.


Once or twice during the operation of the ozonator it is advisable to set the ventilation system of the car on a closed circuit and run fans for about 15 minutes. This will cause the ozone is sucked into the ventilation ducts to remove odors from the ventilation system of the car. If you know that a bad smell comes from the ventilation system, for example from air-conditioning evaporator, then it is necessary to run the fans at the beginning of ozone treatment to effectively remove odor. If the batteries will cope, you can run the fans while the car engine is switched off – but it depends on the car.

Required time of ozone treatment depend on type of odor, intensity of the smell, the size of the vehicle, and other factors . In fact, every case is a little bit different. To check the results, you can stop ozonation, for example after 30 minutes – turn off the ozonator, let fresh air get into the interior of the vehicle, and check “organoleptic” if the odor from the inside has been removed. Perhaps you can stop the ozonation at this stage but maybe procedure must be repeated several times to get a more satisfactory result.


Ozone treatment in enclosed spaces often leads to what is known as “residual smell of ozone” . It is a fragrance similar to the odor of ozone, but in fact is a smell of residues (byproducts) after reaction with ozone. It usually appears when the ozone treatment byproducts accumulate on soft surfaces (eg textiles, carpets) It is a temporary smell that disappears after some time. To speed it up, you can try the following:

  • intensively ventilate the interior of the car: ride with the windows down, park with the windows open for a few hours
  • wipe with a damp cloth dashboard, seats, etc.
  • vacuum the floor mats


Please note that both the ozone and carbon monoxide (exhaust fumes) can be dangerous in enclosed spaces . f you are going to ozonate car, which is parked in the garage, be sure to open the door to the garage when you need to start the engine. Ozone can also get out of the interior of the vehicle to the garage, so take the appropriate precautions.

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