Air Purifiers

May 11, 2010

There are lots of different air purifiers on the market and I will often be asked by patients which air purifier is the best.  First off, it is important to make a differentiation between HEPA filtered air purifiers and the rest.  I recommend HEPA filtered air purifiers to my patients.  They work by filtering out very small particles from the air as the air passes through the filter.  The size of the unit you need depends on the size of the room.  If the window or door to a room is open, the air purifier will not be as efficient in filtering the air in the room.  

I think the best brand is IQAir.  Unfortunately, it is also the most expensive.   There are units you can purchase that contain a carbon filter in addition to a HEPA filter.  Carbon filters help remove odors and chemical pollutants from the air.

I do not recommend that you buy any air purifier that produces ozone.  Many of these types of air purifiers have electrostatic panels that you wash, instead of HEPA filters that need to be changed.   Although they often only emit small amounts of ozone, why emit ozone into your home if you don’t need to?

Note: The content of this blog is for informational purposes only and is not meant as specific medical advice for a specific person.   If you have a medical problem, please contact your doctor.


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