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Air purifiers are great for relieving asthma
and sinus problems as it filters the air you breath indoors
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Air cleaners provides pollen and dust control
Before you purchase an air purifier for your home, there
are some factors you want to consider.
Our goal is to review various air purifiers and examine
the types of air filters they use, and the method of which
they provide air purification.
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This air purifier review site focuses on
the key features of each unit, how they work, how well they work,
the price, what to look for, and what to avoid.
Trying to
choose the best air purifier is difficult as people have different
needs. What we have provided are reviews for each type and manufacturer
with information and rating for each air purifier.
Different types of air
purifiers
There are different methods of cleaning
the air, most units on the market today combine a few of the
following technologies:
HEPA (High Energy Particle Arresting) filters are made
from very tiny glass fibers that are made into a tightly woven
paper. This creates a filter consisting of a multitude of very small
sieves that can capture extremely small particles, including some
biological agents. Once trapped, contaminates and particles are not
able to flow back into circulation, due to the highly absorbent
pores of the HEPA air filter. HEPA filters work well in the home for trapping
particulates. The only downside is that the filters must be changed
regularly (every 6-months to 5-years depending on the manufacturer). The
review of any HEPA unit depends on the efficiency (how much air
by-passes the filter), fan noise, filter life and price.
UV air purifiers:
This process
destroys the DNA of microorganisms such as bacteria and viruses using UV lighting.
However, UV air purifiers are not sufficient by themselves because
they remove few gasses and no particles. So if you want a UV
we recommend one that combines UV with HEPA filter.
Ozone Air Purifiers:
Ozone is dangerous if inhaled, NIOSH
and OSHA have strict limits on how much Ozone can be in a work place (it is a
by-product of welding and other industrial processes). Luckily the FCC has put
clamps on the crooked MLM firms that market these devices.
Ionic Breeze:
As most airborne particulate matter is
positively charged ions, Ionic filters clean the air by creating a
negative electrical charge which attracts the positively charged
allergens. The ionic units collect the particulate matter on
steel plates and require no filters. However, these air purifiers are not effective because they have no effective way to get
the airflow through the device in enough volume to make a big difference.
Electronic or Electrostatic
Air Purifiers:
This technology has been used in whole house filters for years and is also
called electrostatic technology. These air purifiers
works much like the Ionic Breeze with plates but, there is a fan that pulls airflow
over the plates.
Activated carbon
filters
Carbon filter pores are
highly adsorbent, forming a strong chemical bond/attraction to
odorous, gaseous, and liquid contaminates. As air is passed
through these filters the carbon operates to collect the airborne
contaminants. Overtime these units will require replacement
charcoal as it gets clogged and contaminated.
Ozone air
purifier
Ozone is not a recommend air purifier.
Everyone
faces many risks, including various pollutants and toxins
in their daily environments. Most people know that outdoor
air pollutants such as car exhaust, city smog, factory waste,
etc. are toxic. But many people do not realize how dangerous
the air inside buildings can be to their health. The EPA
(U.S. Environmental Protection Agency) states that the air
in even the largest and most industrialized cities is less
toxic than air found in typical homes. Many people do not
know that indoor air pollutants can be two to five times
higher than outdoor air pollution and can sometimes be 100
times higher!
It
is estimated the most people spend 90% or more of their
time indoors. Because of this, the quality of the indoor
air we breathe every day becomes critical. Additionally,
those who are indoors for the longest periods are often
those who are the most susceptible to the effects of indoor
air pollution-including the elderly, the young, and the
chronically ill.
Various
micro-organisms such as bacteria, viruses, molds, and fungi
often become airborne and this is a common cause of illness
or allergy. With the threat of biological warfare, the eradication
of airborne pathogens becomes even more important.
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