 
|
Air purifiers are particularly beneficial for allergy sufferers and asthmatics or those who wish to reduce second-hand smoke.
Use of purifiersAllergy-inducing culprits are known as allergens. Allergens can come in the form of dust or pollen as well as pet dander and mold spores. Hazardous smoke particles and airborne gases may also find their way into homes and bedrooms. Because of the significant amount of time most people spend indoors, many wish to ensure air purity.
Purifying techniquesVarious techniques are used in air purifiers in the current market to accomplish indoor air purification. These techniques include mechanical filters, absorbents like charcoal, and electrostatic charges or ionizers. Additional setups include germicidal UV light and the emission of ions into the air to react with contaminants and making them harmless enough to breathe. Although air purifiers strive to make the air as clean as possible, no commercial air purifier is capable of producing a room as clean as needed in situations requiring an especially clean environment, such as hospital surgical rooms or sensitive manufacturing like optics or computer processors.
Consumer concernsWhen selecting air purifiers, consumers are influenced by several factors, including visual appeal, noise level, and frequency of filter replacement. There are many different types of filters, some can be cleaned by water, by hand or by vacuuming while others need to be replaced within a few months or a few years. The most popular sort of filters for air purifiers is the HEPA filter. The Department of Energy has rigid requirements manufacturers must pass to meet HEPA requirements. Products that say "HEPA-type" or "HEPA-like" may not meet these requirements. HEPA requirements necessitate being able to filter out 99.97% of pollutants in the air of 0.3 micrometres in size. While HEPA filters are extremely effective, they are also extremely expensive, and replacements can often cost nearly as much as the air purifier itself. For this reason, many air purifiers utilize both a HEPA filter and a less expensive "pre-filter" to reduce the frequency of HEPA filter replacement. CADR, or Clean Air Delivery Rating, is a standardized indicator of how well a particular air purifier can function as compared to other air purifiers. The higher it is, the stronger the power of purification. CADRs are rated by AHAM, or the Association of Home Appliance Manufacturers, and are based on stringent requirements as produced by the association itself.
"Pure" controversyAs with all health-related appliances, there is some controversy surrounding the claims of certain companies, specifically involving ionic air purifiers. Particularly, these machines generate the pollutant ozone. Ozone from air purifiers can be dangerous in high concentrations. • [List your site here Free!]
| |
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Home
Contact
Resources
Exchange Links
eBay
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Here you can find a large selection of car alarms, security, amplifiers, audio, car CD/MP3 receivers, Garmin and Magellan GSPS devices, accessories, and cables, PDAs and handheld PCs.
Home
Air Purifiers
Other Brands
Bathroom Ionic Breeze
