![]() Certain models that use this type of technology also include a positively charged collector plate that the ionized particles will stick to, taking them out of the air. Negative ion air purifiers: Ionic or negative ion air purifiers work by using high voltage to give an electrical charge to particles or molecules in the air, which causes them to clump together, and then seek out positively charged molecules with which to bond. Gasses in your home air typically present themselves as odors from pets, cigarettes or cooking.Ī HEPA filter can effectively remove smoke particulates from the air. HEPA air purifiers: Standing for "high efficiency particulate air," air purifiers with HEPA technology use a fiberglass filter that traps particles of a certain size out of the air.Īctivated carbon air purifiers: Where HEPA filters manage solid particles in the air, most of the air purifiers on this list also include activated carbon technology (which is the same thing as activated charcoal), whose porous nature helps filter gasses or volatile organic compounds out of the air. In order to better understand those aspects of your air purifier, or if you want to consider buying another type of air purifier, here's a breakdown of all of the different methods of air purification technology: While this list consists only of HEPA air purifiers, which are the most available and highest functioning models on the market, several of them use more than one type of filtration technology. When considering your budget for an air purifier, you might also want to consider the cost of replacing the filter roughly every six months. Some air purifiers, including the Coway Airmega 400, are designed to purify rooms as large as 1,500 square feet. If you have a particularly large living room or are looking to improve the air quality in your entire apartment, this air purifier is what you’re looking for. Other great features include a digital display that shows a color-coded, real-time air quality score, three-stage filtration (including an activated carbon filter), app-control that allows you to monitor your home’s air quality, control the unit from your phone and order replacement filters when a change is due. The Kenmore Smart 2300e retails for $300 and claims to effortlessly cover up to 2,300 square feet of space. That’s comparable to the noise generated by rainfall. It wasn’t unreasonably loud, either, keeping the fan noise below 40 decibels at low and medium settings and topping out at 50.6 decibels at its highest setting. On top of that, the Kenmore Smart 2300e was one of the most efficient large-size air purifiers we tested and would add less to your monthly energy bill than similar-size units like the Coway Airmega 400s or the EnviroKlenz Air System Plus. Whether you suffer from seasonal allergies or want to prepare for wildfires spreading their ashes across the US, you might consider protecting yourself against airborne toxins at home with an air purifier. ![]() Most air purifiers are equipped to handle one or two rooms, with a few models that claim to purify the air in an entire home. Still, there are a number of other brands and models worth considering as you shop.Īir purifiers employing HEPA filters - defined by the US Department of Energy as high-efficiency particulate air filters that are capable of removing at least 99.97% of airborne particles with a size of 0.3 microns - are the most numerous and most highly rated type available. Overall, the most impressive air purifier we've tested is the BlueAir Blue Pure 311i Max, as it offers category-leading performance for medium-size spaces in an efficient, whisper-quiet design at a reasonable price. They also recirculate cleaner air back into your living space. The best air purifiers use a variety of technologies to filter particulate matter out of the air, including dust, dander, allergens, viruses and other pollutants. If you live in an area prone to dust or you're allergic to the materials in the air around you, it might be a good idea to invest in an air purifier.
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