| ale of air purifiers across the United States has | | | | produce some sound which can be annoying for |
| skyrocketed over the past few years. With | | | | many. The sound is produced because of the fan |
| research showing that indoor air pollution is 2 to | | | | inside revolving at high speed. While for some it |
| 10 times more than outdoor pollution, there are | | | | would not be too much of a bother, and some |
| valid reasons for people to get worried. The only | | | | even may actually like the white noise produced, |
| option they now have to deal with the pollution is | | | | there would be individuals who will hate a constant |
| to install air purifiers in their homes. | | | | buzzing sound. |
| Air purifiers are mainly of two variants – | | | | When you are buying an air purifier you expecting |
| the ionic air purifier and the HEPA air purifier. The | | | | some clean air, and not a gadget which produces |
| technology in the two are different and so is the | | | | inconsistent noise. You can obviously do something |
| method they work. An ionic air purifier just draws | | | | to tackle this problem. When we buy air purifiers |
| the neutrally charged particulates to the charged | | | | we take a note of our room size. Now, if we buy |
| plates inside the purifier. This technology ensures | | | | a purifier which just has the capacity to clean our |
| that there is little or no sound during the cleansing | | | | room then we must have it working to its |
| process. | | | | utmost. This means that fan will always be |
| A HEPA air purifier works on a completely | | | | revolving at the highest speed. The result would |
| different principle where a filter is used to collect | | | | be the noise. |
| pollutants from the air. To do so a fan revolves | | | | However, if we take a purifier with the capacity |
| at high speed to draw in the air form the room | | | | of cleaning a 800 square feet room for a room |
| and the pollutants floating in the air gets deposited | | | | of size 200 square feet, then we can always |
| on the filter. The HEPA filters are effective for | | | | have the fan inside the purifier work at low or |
| particulates as small as 0.3 microns. It would make | | | | medium levels. This will result in less noise. The |
| sense here to pint out that the width of human | | | | purifier, all of a sudden will sound quieter. The only |
| hair is about 100 microns. | | | | thing that would be of concern is the size of the |
| However there is a drawback to the HEPA air | | | | purifier might be too big for the room. |
| purifier. While at work the HEPA ones actually | | | | |