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An Air Purifier for a Breath of Fresh Air
by: Jay B Stockman
One of the most important elements for the survival of human beings is air. Air is a vital component of a very complex set of respiratory functions. This air must be free of contaminants that could cause a potential health risk. Air that contains particles of dust mites, pet dander, pollen and mold spores can cause asthma, allergies and respiratory illnesses. The Environmental Protection Agency estimates that indoor air is 70 times more contaminated than outside air. Airborne chemicals from flooring, insulation, paints, cleaning products and other building materials give off dangerous chemical fumes. As a result, homes and offices could potentially increase the likelihood of an allergy or respiratory problems. In order to alleviate these risk factors, it is necessary to utilize a high efficiency air purifier. A high efficiency air purifier circulates air through filters that trap toxins, and allergens, and removes them from inside air.
An air purifier works by drawing in dirty air through an inlet vent. Air then passes through a prefilter which traps large particles, then passes through a carbon filter which captures particles and reduces gases and odors. The air then passes through a filter made of tightly woven fibers to capture the smaller particles. This filter is known as a HEPA filter, which is an acronym for high efficiency particulate absorbing. These filters can absorb particles as small as 0.3 micrometers. Some units have electronic ionizers which further capture smaller particles, and particles that have escaped the previous other filters. A fan then recirculates the filtered air back into the room.
Health hazards from polluted indoor air at home or at the work place have increased the incidence of respiratory illnesses. The use of an air purifier could play a significant role in reducing these risks for healthy individuals, as well as individuals with existing conditions. Purifiers minimize contaminants in the air effectively, before they can cause harm to human tissue. It is important to note that air purifiers are only a part of a bigger solution, keeping a clean living and working environment is absolutely essential.
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About the Author
Jay B Stockman is a contributing editor for Digital Air Purifiers Online Visit http://air-purifiersite.com/ for more information.
Dr. Jay B Stockman is an individual contributor to Google Health Co-op
Dr. Jay B Stockman's public Google Health Co-op profile
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| Air Purifier Article (updated Frequently)
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| How A Filterless Air Purifier Works |
| By: Ken Morris |
If you watch television late at night, you are probably familiar with a filterless air purifier called the Ionic Breeze. These systems have benefits and drawbacks. Lately, there has been some controversy over their safety. Some consider them to be unsafe, while others swear by the results.
How a Filterless Air Purifiers Work
A filterless purifier works by giving the incoming air an electrostatic charge. This charge also charges particles in the air. The air is then moved past an oppositely charged collection grid. The impurities in the air are attracted to the grid, like a magnet. The grid must be removed periodically and cleaned of the impurities. This is easily done with a damp cloth. Once the grid is completely dry, replace it and turn the machine back on. These systems can be installed on a forced air heating system to treat the whole house, or can be purchased in portable units.
This process creates ozone in the air. If you have been outside after a thunderstorm, you have smelled natural ozone in the air. These systems clean the air the way nature cleans the outdoor air.
However, some feel the ozone that is created can be a health hazard, particularly if it is highly concentrated. If you are using a portable air cleaner, be sure it isn’t too big for the room in which it is being used. The square footage is listed on the box and in the owner’s manual. Another option is to run it for a while and then turn it off before using the room.
Benefits of a Filterless Air Purifier
There are no filters to change with this type of purification system. Replacement filters can be expensive and not having one saves money in the long run.
They use a collection grid to collect impurities, rather than a filter. The impurities stick to the grid and are wiped off with a damp cloth. Once the grid is clean and dry, place it back in the machine and turn it on.
The filtration process leaves a fresh smsell in the air that many people find vitalizing. You won’t need to use air fresheners with these systems.
They are nearly silent when running. This is great for night time use. Some air purification systems can be very noisy and may need to be turned off at night.
Drawbacks of Filterless Air Purifiers
The safety of these filtration systems was called into question a few years ago when Consumer Reports gave the Ionic Breeze a bad review and called it hazardous. The reason is the ozone that is a by product of the purification process. Ozone is a pollutant and can be irritating to people with asthma or other respiratory disorders. Sharper Image responded by adding a component called “Ozone Guard” which is said to convert most of the ozone into oxygen. On a later review, Consumer Reports still gave the machine low marks, but said the ozone output is now in acceptable levels.
These systems are more expensive than other air purifiers. However, when you add in the cost of replacement filters, this price difference diminishes over time.
The collection grid must be cleaned frequently. If it isn’t clean, it won’t work. The frequency depends on the number of impurities in the air. Homes with pets, smokers, a lot of dust, etc, will need more frequent cleaning.
About the Author: Ken Morris releases many articles for http://www.air-purifier-and-cleaner-guide.com. He is featuring filterless air purifier and air cleaner.
Source: www.isnare.com |
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