Asthma Air Purifying
techniques
Various 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.
When selecting asthma 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% (the percentage may vary within 2 decimals) of
pollutants in the air of down to 0.3 micrometres in size.
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.
Before buying an Asthma Air Purifier
- get the facts.
Sources: Wikipedia |
