So, you have bought an air purifier after checking out the best air purifier reviews by consumer reports. You must be enjoying the clean and fresh air in your house, but have you had a chance to find out how does an air purifier work? If not, then that’s what you will get to know in today’s post, so read the below-mentioned information carefully.
The air purifier absorbs the air in the room, then rejects it purified, free of a large part of the polluting particles, which are also irritants and allergens. The air passes through several filters. First, a pre-filter, which retains the thickest particles, often visible to the naked eye: dust, hair, animal hair, and more. Then, the air passes through an activated carbon filter, which retains gases and odors, fumes, and some volatile organic compounds. Finally, a HEPA (High-Efficiency Particulate Air) filter, like those in vacuum cleaners, retains the finest particles, invisible to the naked eye.
You should know that some manufacturers have merged the filters so that their purifiers have only one, easier to maintain. They do not ignore the capture of fine particles or gases: these filters are simply composed of several layers and thus combine several functions.
Note that more rarely, some purifiers use photocatalysis or ionization. Photocatalysis consists of destroying particles by producing a chemical reaction. It is criticized because it could generate harmful particles. As for the ionization process, it consists of eliminating particles suspended in the air by placing them on the ground (the device produces negative ions, which attach themselves to the polluting particles and make them heavier). Some organizations have reservations about the use of ionization processes and more specifically photocatalysis, the harmlessness of which is not guaranteed.