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While seemingly a new innovation, air purifiers have been around for over 200 years. From fire protection masks, purifiers air have developed the ability to protect you and your family from airborne pollutants.
As allergies and asthma now affect more than 50 million Americans, safety concern for air quality has increased rapidly. Now more than ever, Americans are seeking ways to improve indoor air quality. Air purifiers are leaders in advancements for cleaner air.
Allergens like smoke, mold spores, pollen, bacteria, viruses, animal dander and other pollutants, damage to their lungs and immune system. Unfortunately, most of these irritants can not be seen by the naked eye. Purifiers air filter allergens and pollutants seen or unseen by human eyes. To remove these objects, air purifiers typically use filters, electrical attraction, or ozone.
Air filters use a fine sieve to filter particulate air circulation. As the air currents in the air purifier, the finer the sieve used, the smaller the particle trapping. The accepted benchmark for air filters has been established by the High Efficiency Particulate Air (HEPA), which are guaranteed to trap 99.97% of airborne particles larger than 0.3 microns. Microns are the standard unit used to measure air particles. Each micron equals 1 / 25, 400 of an inch. The human eye can not see something so small, so contaminants such as bacteria and viruses escape detection. Air conditioning filters only capture particles 10 microns or larger. HEPA filters remove smaller allergens like dust, smoke, chemicals, asbestos, pollen and pet dander.
The more times the air passes through the HEPA filter, the cleaner the air becomes. The capacity of the room air purifier Determine whether the HEPA air filter can handle your air purification needs. Top-of-the-line brands like Austin Air Purifiers give about 15 changes of air per hour in a media room and contain an average of 15 pounds of activated carbon / zeolite blends, which absorb the chemicals and odors.
Moreover of the HEPA filter, as AllerAir IQAir brands and offer a choice of medical grade ultra-violet (UV) light system, used to quickly kill viruses, bacteria and fungi entry into the air purifier. The UV light also protects the HEPA filter for biological and viral contamination.
Electrical attraction is another technology used by air purifiers to trap particles. Three types of air filters work by electrical attraction: electrostatic precipitation cleaning, electret filters and negative ion generators.
Cleaners electrostatic precipitation or electronic air purifiers, particle call for the fan and the load with a series of high voltage cables. Several plates (precipitating cells) carry the opposite charge and attract pollutants As passing the plates. Electronic air purifiers are perfect for people who do not want to worry about expensive replacement of HEPA filters. Air Purifiers Friedrich electrostatic remove approximately 95% of all particles in the air and bring down energy costs for you.
Electret filters purifiers air in the use of synthetic fibers that create static charges to attract particles. Electret filters are offered in a variety of types including plain, pleated, disposable or reusable. Depending on the type of filter you need, determine how often the filter requires replacement.
Some brands like Blueair merge technology HEPA filter technology with its own electrostatic filter, which takes the input particle filter in place. By marrying the only two purification systems Gasket, Blueair created a more efficient air filter.
Negative ion generators or ionic air purifiers small charge cables, or needles gas to create molecules with negative charges or ions adhere to particles in the air and accumulate in the filter. However, many ions end up back in the air, gluing to furniture and other surfaces that can be colored by them.
Ionic air purifiers only remove certain types of particles and not always effective against gases, chemicals, or odors. Some ionic air purifiers have been shown to re-circulate the same dirty particles that draw in, making much less effective than traditional air purifiers with HEPA filtration.
Instead of using filters to trap particles, ozone generators use high voltage electrical currents to convert oxygen into ozone, which acts as a powerful oxidant and breaks down molecules and microorganisms in the air. Tests have shown that ozone generators are not very effective in removing indoor allergens.
Ozone can actually be hazardous to your health, and the two ozone generators and ionic air cleaners emit ozone. In nature, lightning creates ozone when it cuts through the oxygen molecules in the air. In the atmosphere, ozone protects us from harmful UV rays, however, on the ground level, ozone is a lung irritant powerful. When formed artificially, ozone can aggravate allergies and asthma by damaging the lining of nasal passages and lungs, causing coughing, throat irritation, chest pain and shortness of breath. The Environmental Protection Agency and American Lung Association advise against using ozone generators.
Asbestos and radon are problems increasing in homes today. Heating devices produce carbon monoxide and other dangerous gases and chemicals such as formaldehyde and ammonia are increasing in the home environment. Like most Americans stay at home an average of 90% of the time, providing fresher air and cleaner than ever has been more important.
Find an amicable solution to the environment has become much easier. More information about the purification air today. The right air purifier provide asthma and allergies with outdoor air pollutants and determine the indoor air quality healthy for you and his family.
About the Author:
Scott Smith is an expert on indoor air quality and
air purifiers at achooallergy.com
.
Article Source: ArticlesBase.com – How Do Air Purifiers Work?