10 Tips for Choosing an Air Purifier (Part One)
Tuesday, June 9th, 2009 Subscribe To Our Feed
Are you tired of fighting with continuous sneezing and running nose? Do you know what kind of air purifier (légtisztító berendezés) could help in protecting you and your family from allergy, asthma and hay fever? Now, we give you all the answers, because we show you, how you can choose the best purifier for your needs based on objective criteria, and not on fluffy marketing stuff.
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Buy the air purifier that contains the most air purifying technologies
Every air purifying technology has its strengths and bad points. Some of the air purifíing technologies help in fighting allergy, while others defend you from bacteria. In general, try to select an air purifiers that contains all.
HEPA filter
HEPA air filters (szénanátha)are the most effective air filters that are available. These filters can remove most particles from the air, leaving clean air in the room. They were developed by the NASA to filter out radioactive containments from the air during the Cold War. Since then, they have been used in both industrial production and in homes, as well. They can remove most of the dust, pollens and spores from the air, but these particles must move through the filter beforethey can be removed. So, it is effective only in a limited area, usually in about a size of a room. HEPA filters do not remove ultra fine particles, most of the bacteria, gases, smoke and odor.
UV Lamp
UV lamps are effective in destroying the microorganisms (asztma tünetei)that touch it, like viruses, bacteria and mold. Without the power of the ultraviolet light, the HEPA filter would only collect microorganisms, but not kill them. The surface of the filter would make an ideal living place for these creatures, where they breed and even get back to the air. But the UV lamp annihilates them, so there is no chance for them. While the ultraviolet light helps prevent illness and disease, it does not remove anything from the air, so you have to use with filters.
Carbon Filter
It contains small pores that suck up smoke, odors, fumes and gases from the air. It is the most absorbent filter in the world, and it does not let these particles back into circulation. However, it does not remove dust, microorganisms and other allergens from the air.
Air Ionizer
The ionizer produces negative ions, which change the polarity of airborne particles, making them stick together. This makes them heavy, they fall on the ground instead of getting into our breathing system. This also makes them bigger, and the HEPA filter has a much easier job with them. Moreover, the negative ions can travel all through the room, and the air does not have to go through a filter to get purified. However, it also has its bad points, as every other technology does. It is ineffective against odors, it does not collect particles from the air, it does not kill fungi, and it does not do any harm against some viruses.
Ozone Generator
The ozone generator is not an essential part of an air purifier, and it is not always needed. However, it can remove certain chemicals and bacteria from the air, and it is very effective against odors. But it produces a quite irritating smell, and may have a negative effect on the eyes and throat, if its concentration is too high in the room.
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