Tuesday, February 15, 2011

Types of Air Purifiers

An air purifier is a device which removes pollutants from the air. These devices are commonly useful to allergy sufferers and asthma patients and also eliminate the smoke released from various sources. The air purifiers can be used in different places like hospitals, salons, restaurants, offices to purify the air. The other functions of an air purifier is to remove smoke and any other chemical fumes from solvents, paint, heating or cooking gas. An activated carbon filter adsorbs smoke and chemical fumes on to it. A HEPA filter can also be useful in eliminating smoke, but is not effective at eliminating chemical fumes.

There are few basic types of air purifiers which can be used normally at any place. They are:

Room air purifiers:
Home that doesn't have forced air heating or cooling can use these type of purifier. Room air purifiers cost much less than whole house models. Some room models use a high-efficiency particulate air (HEPA) filter, which capture ultra-fine particles. Room models that use ionizer technology produce ozone which absorbs odors.

Whole-house air filters:
These are the types which fit for the whole house. By having the whole house air filters there is no need to have room filters. They also use different technologies available in producing the air purifiers.

Car air purifier:
It is a very simple purifier and it filters the dust, dirt and pollutants that get into the car, and thus maintaining air clean.

Ion air purifiers:
A negatively charged ion particle traps dust and dirt. Ion air purifiers are popular in places where the use of other purifiers can't be possible, such as in submarines, and they are also used by farmers because they are effective for outdoors.

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