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Noise in Air Purifiers

Aug 17, 2007
The sale of air purifiers across the United States has skyrocketed over the past few years. With research showing that indoor air pollution is 2 to 10 times more than outdoor pollution, there are valid reasons for people to get worried. The only option they now have to deal with the pollution is to install air purifiers in their homes.

Air purifiers are mainly of two variants - the ionic air purifier and the HEPA air purifier. The technology in the two are different and so is the method they work. An ionic air purifier just draws the neutrally charged particulates to the charged plates inside the purifier. This technology ensures that there is little or no sound during the cleansing process.

A HEPA air purifier works on a completely different principle where a filter is used to collect pollutants from the air. To do so a fan revolves at high speed to draw in the air form the room and the pollutants floating in the air gets deposited on the filter. The HEPA filters are effective for particulates as small as 0.3 microns. It would make sense here to pint out that the width of human hair is about 100 microns.

However there is a drawback to the HEPA air purifier. While at work the HEPA ones actually produce some sound which can be annoying for many. The sound is produced because of the fan inside revolving at high speed. While for some it would not be too much of a bother, and some even may actually like the white noise produced, there would be individuals who will hate a constant buzzing sound.

When you are buying an air purifier you expecting some clean air, and not a gadget which produces inconsistent noise. You can obviously do something to tackle this problem. When we buy air purifiers we take a note of our room size. Now, if we buy a purifier which just has the capacity to clean our room then we must have it working to its utmost. This means that fan will always be revolving at the highest speed. The result would be the noise.

However, if we take a purifier with the capacity of cleaning a 800 square feet room for a room of size 200 square feet, then we can always have the fan inside the purifier work at low or medium levels. This will result in less noise. The purifier, all of a sudden will sound quieter. The only thing that would be of concern is the size of the purifier might be too big for the room.
About the Author
Jason Uvios writes about on Noise in Air Purifiers to visit :- air ozonator systems , air filters and air cleaner
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