An Introduction to Air Purifiers

>good car unit. You can also spend an arm and a
Air purifiers have been around in various formsleg on junk if you’re not careful. One thing
since the 1940s, when the first HEPA filter wasto keep in mind when buying an air purifier is
designed to protect workers from airborneunit-to-filter value. If your unit uses a HEPA filter,
nuclear material. Since then, air purifiers have beenfind out how much it costs to replace the filter.
used in hospitals, work sites, and homes toYou may end up spending thousands on the filter
protect against viruses, mold, bacteria, pollen, petalone. The question is, what kind of a machine do
dander, tobacco smoke, dust mites, and a greatyou want?
number of industrial and household chemicals.Home air purifiers use a number of technological
The people who stand the most to gain from airapproaches to cleaning your air so you can
purifiers are those with allergies, asthma, andbreathe more easily. They use HEPA (High
other respiratory ailments.Efficiency Particulate Air) filters; electrostatic
But everybody can benefit from having cleanerfilters, ion generators, ozone generators,
air in the home. The Environmental Protectionultraviolet light, and other methods to get rid of
Agency lists indoor air pollution among the top fiveboth large and miniscule particles. Some operate
environmental risks to public health. In fact, theby drawing in air via a fan, cleaning the air, and
inside of your home could well contain two to onere-releasing it. Others work by actually sending
hundred times more air pollutants than an outdoorout “purifying agents” throughout the room.
urban environment.Today you have two basic choices for home air
Air purifier value varies widely. You can spendpurifiers: room air purifiers, and whole house
upwards of $1600 for the best air purifiers knownpurifiers. Generally speaking, room purifiers are
to man, or you can spend as little as $70 for abetter for air-cleaning efficiency and cost.