What is an air purifier

What is a air purifier and how does it compare to an air purifier that contains a hepa filter?

As an introduction, an air purifier is a piece of equipment which removes contaminants from the air. Air purifiers are said to be marketed as being particularly beneficial to allergy sufferers and asthmatics. A good air purifier such as IQAir’s Healthproplus is an excellent choice for reducing or eliminating second hand tobacco smoke. Commercial grade air purifiers are manufactured as both a small stand-alone unit, and as larger units which in most cases are made to accommodate three and five ton size air conditioning units. The perfect 16 units can be affixed to an air handler unit (AHU) or to an HVAC unit found in the medical, industrial, and commercial industries. Filter based purification traps airborne particles. Air is forced through a filter and particles are physically captured by the filter. Hepa filters remove at least 99.97% of 0.3-micrometer particles, and are usually more effective for particles which are larger or slightly smaller. They are effective down to 0.01 micrometers in many cases, but become ineffective for particles smaller than 0.01 micrometer. In dusty environments, a HEPA filter may follow an easily cleaned conventional filter (prefilter) which removes coarser impurities so that the HEPA filter needs cleaning or replacing less frequently. HEPA filters do not generate ozone or harmful byproducts. An HVAC system that is rated at MERV 14 or above are rated to remove airborne particles of 0.3 micrometers or larger. A high efficiency MERV 14 filter has a capture rate of at least 75% for particles between 0.3 to 1.0 micrometers. Although the capture rate of a MERV filter is lower than that of a HEPA filter, a central air system can move significantly more air in the same period of time. IQair’s HealthPro Series features HyperHEPA filtration technology for superior airborne particle removal. IQAir's HyperHEPA filtration technology is tested and certified to filter ultra-fine pollution particles down to 0.003 microns in size with a guaranteed minimum efficiency of over 99.5%. This is 100 times smaller than what is achieved with ordinary air filtration technology and 10 times smaller than a virus. Try to find another brand air purifier to do that job.

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