Applications Ozone (O3) is very possibly the most powerful and effective eliminator of smoke and odors. Ozone Eliminates tobacco smoke, its impurities or Phenol gasses, and odors from cooking, pets, mold, mildew and often the sources of household odors. Disinfecting and purifying with ozone provides a much healthier home, atmosphere and environment. Popular units for general household uses include the SA-3600 / SA-5000 ozon generator.