Air Purifiers - A First Time Buyers Guide
Lucy Bartlett
The aim of keeping an air purifier is to free the air from all
of the contaminants. When environmental researchers highlighted
the fact that the indoor air is dirtier than the outdoor air,
the popularity and the demand for air purifiers soared. Air
purifiers will be helpful to persons suffering from allergies
and asthma and to those who want to reduce the risk of passive
smoking.
Air purifiers on the market use various different techniques
for purification of the air. Electrostatic charges, ionizers,
charcoal and absorbents are some of the methods used to purify
the air. Germicidal ultra violet light is also used for this
purpose.
Visual appeal, noise level and filter replacement frequency are
some of the factors to be taken into account when selecting an
air purifier. Filters also come in many different varieties.
Some of them can be cleaned by hand, water or by vacuuming.
Some of these filters need to be replaced within months
depending upon the usage.
Air purifiers filtering out 99.97 percent of particles of 0.3
micrometers in the air are set as the best air purifier. These
types of purifiers are very expensive.
The Association of Home Appliance Manufactures (AHAM) is the
agency rating the performance of various air purifiers. The
indicator used is the clean air delivery rating. There is some
controversy over the claim involving ionic air purifiers since
these machines generate the pollutant ozone. High concentration
of ozone emitted by the air purifiers can pose some threat to
health.
According to the American Lung Association, the effectiveness
of an air purifier depends on the unit's efficiency and the
amount of air drawn through it. Look into the type of
pollutants it will capture and the percentage it captures.
Select a device that circulates air many times an hour.
Besides air circulation, ensure to consider other factors such
as:
- Can it move air from all corners of the room
- Size of the room
- Whether the air purifier is meant for any specific problem
such as smoke or pollen.
- Adaptability to the change in needs.
Cost of an air purifier and its efficiency are not related.
Recurring costs are also to be taken into account. The energy
needed to run the purifier will make quite a lot of difference
to the power bill.
Noise can be a big problem if the air purifier is meant for use
in a bedroom or in the family room, since many air purifiers use
loud motors to draw air through filters.
About The Author: Lucy Bartlett is a proud contributing author.
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