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Does an Electronic Air Cleaner Create Ozone

Does an Electronic Air Cleaner Create Ozone
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Ozone (O3) is a 3-atom form of oxygen and is a normal electronic air cleaners create ozonetrace element in our atmosphere but it is a different chemical than common oxygen (O2) which supports life. Like many substances, ozone is beneficial to life but can also be harmful in above normal concentrations.

Ozone is formed when an electric discharge passes through the air and there are many natural sources of ozone. For example, ozone is formed naturally by lightning and is also formed as a by-product of some electric motors and appliances. Ozone is created by air passing through an electrically charged field.

Like many household appliances, electronic air cleaners produce ozone when they operate. The amount of ozone produced varies among models.

How Electronic Air Cleaners Work

Small particles of dust pass through the charging section of the air cleaner and receive a positive electrical charge from a series of tungsten wires. These charged particles then pass by the negatively charged collector plates, which attracts them like a magnet. The particles remain on the collector plates until they are washed away during periodic cleaning of the collector cells.

Can You Smell Ozone Produced By Electronic Air Cleaners?

Sensitivity to the smell of ozone varies quite a bit among people. Some people can smell levels at .02 ppm but most people notice the smell of ozone at .03 ppm which is well below the FDA standard.

The smell of ozone is not an indicator that the level is above normal, or even near the recommended limit set by the FDA.

Do electronic air cleaners work?

Electronic air cleaners do work. But like all air cleaners and air filters they have their positive and negative characteristics. Many people are very satisfied with their performance and would recommend them to anyone.



P.S. For information about the effects ozone can have at different concentrations you may want to read electronic air cleaners and ozone.

About the author: Don has been working in the HVAC industry for more than 25 years and shares his experience and knowledge on this site. If you find the information presented here helpful please share with your friends.

{ 6 comments… add one }

  • Gail

    How does one test the level of ozone in their home. The smell of ozone in our home seems high.

  • DonaldT

    Ozone test kits are available from many online stores. I have never used one so I can’t recommend any particular one. Just do a search on your favorite search engine and you will find something.

    Here are some Ozone Concentration ranges to consider.

    Up to .045 ppm is OK
    .045 to .075 ppm is Moderate
    .075 to .105 ppm is Unhealthy
    over .105 ppm can be Very Unhealthy

  • online stock trading guru

    There’s good info here. I did a search on the topic and found most people will agree with your blog. Keep up the good work mate!

    I’m Out! :)

  • mike

    Ozone is a pollutant, so hopefully people do not think that creating it is a partially good thing.

    The world is creating too much ozone as a whole and the effect is not localized.

    Meeting FDA standards does not mean something is OK. The FDA standards are often weak. An example of another weak FDA standard is for lead content in consumer goods (thank goodness for California’s better standards!)

    There is no way that an ozone generating cleaner will become a feature of my house.

  • Cooling Tips for your air conditioner

    Whole-house fans help cool your home by pulling cool air through the house and exhausting warm air through the attic. They are effective when operated at night and when the outside air is cooler than the inside.

    Set your thermostat as high as comfortably possible in the summer. The less difference between the indoor and outdoor temperatures, the lower your overall cooling bill will be.

    Don’t set your thermostat at a colder setting than normal when you turn on your air conditioner. It will not cool your home any faster and could result in excessive cooling and, therefore, unnecessary expense.

    Set the fan speed on high except in very humid weather. When it’s humid, set the fan speed on low. You’ll get better cooling, and slower air movement through the cooling equipment allows it to remove more moisture from the air, resulting in greater comfort.

    Consider using an interior fan in conjunction with your window air conditioner to spread the cooled air more effectively through your home without greatly increasing your power use.

    Don’t place lamps or TV sets near your air-conditioning thermostat. The thermostat senses heat from these appliances, which can cause the air conditioner to run longer than necessary.

    Plant trees or shrubs to shade air-conditioning units but not to block the airflow. A unit operating in the shade uses as much as 10% less electricity than the same one operating in the sun.

    • DonaldT

      Well said. Sounds like you have a background in the HVAC industry. If anyone is looking at ways to reduce energy costs while maintaining home comfort, these tips are a great place to start.

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