Air purifiers have become a necessity in each household and workplace, given the air pollution, especially in fast-paced metro cities. Different spaces, industrial or private, has different air purification needs, and purchasing the right one for your space is essential to clear the air efficiently.
There are, in essence, five main types of purifiers on the market, and each of them comes with its specializations and functions, pros and cons. HEPA Purifiers These high-efficiency particulate air (HEPA) filters are some of the most popular air filters worldwide. The reason for that is their effectiveness against particle pollutants and a lack of harmful by-products. The pollutants are trapped in multiple layers of filters, and clean air is pumped back, and the process is repeated till the air is clean. The downfall of HEPA filters comes from the amount of upkeep they require; you need to replace the filters often for the machine to work well. Absorbent Purifiers These purifiers are usually made from activated charcoal, which traps chemicals, odors, and other toxic substances from the air. Activated charcoal uses a chemical process to absorb the pollutants rather than a mechanical process. These purifiers do not have any harmful by-products either and can remove VOCs (volatile organic compounds) from the air as well, which HEPA and ionic filters can’t. However, absorbent cleaners do not remove airborne particles, which means that you will have to invest in another filter that does. UV Purifiers These purifiers provide protection from ultraviolet light with the help of microbes in a process called ultraviolet germicidal irradiation (UVGI). These purifiers have a lot of benefits in the medical setting and can also be used in addition to HEPA filters for optimum cleansing. On the downside, UV purifiers create a by-product called ozone which is harmful to humans. Ionic Purifiers These purifiers come in two variants – ionizers and electrostatic precipitators. Through a corona discharge, negative ionization is produced, and the ions attach themselves to the particulates sucked into the purifier. These particulates then settle down on the surfaces or plates inside the purifier that can easily be wiped clean. Ionic purifiers, too, produce ozone as a by-product, making them unsafe for use at home. Ozone Purifiers Even though ozone purifiers use UV light or a corona discharge to break apart oxygen molecules into two oxygen atoms, which then combine to make ozone, they only eliminate biological contaminants from the air and not airborne particulates or chemicals. Ozone Purifiers work wonders in industrial settings when people are not around, as ozone, in large enough doses, is harmful to humans. Ozone purifiers also leave a lot of by-products in the air, which ultimately end up being more harmful than the present chemicals. However, when coupled with an ionic or HEPA filter, these purifiers can work well. If you are looking for a fresh air machine that combines these two filters, you should consider purchasing one of Alpine Air’s purifiers. They use a combination of two different types of ionisations and activated oxygen to clear the impurities from indoor air. This type of air purification is considered the natural way of clearing the air as it uses negative ion generation, similar to that of a thunderstorm. If you are interested in the detailed process of how these fresh air ozone machines work, you can visit their website for inquiries.
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