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Air Purifier Comparisons
The Need for Improving Our Indoor Air Quality

Most Americans spend up to 90% of their time indoors. Studies conducted by the U.S. Environmental Protection Agency (EPA) show that indoor environments can have levels of pollutants that are actually higher than levels found outside. In fact, the EPA has rated indoor air quality among the top five health risks in the U.S. Indoor air quality can impact the health, comfort, and well-being of both occupants and residents.

America's air quality has deteriorated, in part, because of the generation of toxic airborne waste, but also because of the success of the building industry in designing airtight structures. Many buildings have significant indoor air pollution sources. These sources include furnishings, occupant activities, housekeeping practices, pesticide applications and microbial contamination. Only through installation of reliable air purifiers can families avoid the potential health risks from biological and chemical contaminants that occupy our indoor air environments.

Following, we compare some of the popular home air purifiers that are available today so that you can make informed purchasing decisions.

HEPA Filters
HEPA filters consist of extended-media (pleated), wet-laid filter medium (typically glass fiber paper), with separators, edge seal, sealant, and are housed in a rigid frame. Certified HEPA filters can be very efficient in trapping particles in their filters and cleansing the air.

The disadvantage is that these filters may tend to hold moisture in, which actually breeds mold and releases it back into the room. HEPA filters act on the principle of a window screen and often pass through accumulated dirty particles that can be forced back out into the room. HEPA filters quickly clog and become ineffective, so they must be replaced regularly. The HEPA filers are very expensive.

When you change the HEPA filters, you can expose yourself to extremely high concentrations of the harmful substances the HEPA is filtering from your indoor air.

Another disadvantage is their noise level. Most HEPA air cleaners on high fan speed, which is needed for full efficiency, sound like a train going through the room.

HEPA filters must use electricity to operate, which can add up. Calculating the initial cost of the HEPA units, plus the maintenance and replacement costs, as well as the energy cost of running the unit, it will cost as much as a major appliance to operate.

Ozonelite vs. HEPA Filtration
Electrostatically Charged Fibers and Electrostatic Precipitator Filters

Some Electret-type air cleaners use electrostatically charged fiber filtration technology because it allows for a high initial efficiency while allowing air to move easily through the filter. The electro-statically charged filters attract and capture particles.

The disadvantage is that this filter technology is that it gets less efficient with use, as the fibers loose their electrostatic charge as they become soiled. This causes the efficiency of the filter to drop drastically.

Electrostatic precipitators use ionization to charge dust particles and then oppositely-charged metal plates or filters to collect them. The starting efficiency of these systems is in the middle range. The disadvantage to these is also that when their collection surfaces gets dirty, their efficiency drops significantly.

Air Ionizers
Ionization by itself uses high voltage to negatively charge airborne particles. Since pure ionizers do not capture the airborne particles, these charged particles are simply released into the room where they tend to attach to surfaces like your couch, rug or walls.

This means that ionizers only have a temporary effect of eliminating particles from the air. Once the particles lose the charge, they become airborne again. The EPA also draws attention to the fact that these charge particles when inhaled may become harmful to your lungs.

Air ionizer units do not remove contaminants from your indoor air; they simply cause them to temporarily settle onto surfaces. In the end, you not only have air that has not been effectively cleansed, you also have a room that looks dirty and dusty.

O�ZONELite� Air Purifiers
O�ZONELite� is an indoor air cleaning system that uses light and simple, harmless chemicals to destroy the dust mites and mold spores that cause many allergies.

This photocatalytic air purifying system has been tested in medical and industrial settings and already has proven successful at zapping odors and impurities caused by chemicals, viruses and bacteria.

O�ZONELite� uses light which reacts with the titanium dioxide-based chemical coating that creates oxidation, which in turn attacks and destroys microbes by disintegrating them through oxidation. The reaction also kills dust mites and mold.

O�ZONELite� destroys the contaminants in the air without toxic chemicals being employed. Allergy and asthma suffers will find relief once mold spores and other allergens are eliminated from the air.

The photocatalytic air purifying system that is the basis of O�ZONELite� has been tested successfully in medical research settings where the air in laboratories must be nearly microbe-free. The photocatalytic system can quickly kill off bacteria in indoor air.

The Advantages of O�ZONELite�
The advantage of O�ZONELite� is in its simplicity.

O�ZONELite� functions more effectively than many air cleaners on the market. It also works without the large, complicated and initially expensive units that other air purifiers require. Our simple bulb costs fractions of what other purifiers are selling for. It is easy to install and unobtrusive, whereas the other air cleaners are bulky and need continuous maintenance and expensive replacement parts. O�ZONELite� does not make a sound, while most air cleaners are so noisy that you may have trouble getting to sleep if you use one in your bedroom.

You will need an air cleaner unit in every key room of your home or office to cleanse the air throughout your house or office building. O�ZONELite�, on the other hand, is not restricted to one area. It purifies the air wherever you need it.

You should use air purifiers for your home and office in order to ensure the health of your family and employees. However, take all factors into consideration when deciding on the unit that will best suit your needs: initial costs, maintenance costs, the amount of energy needed to run the unit, noise level, and the limitations of each purifying unit.

See how O�ZONELite� can improve indoor air quality in your office or home without damaging your health or the environment.

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