Testing and scientific studies have found that some air purifiers are not effective at all, while others are actually harmful to users, according to HowStuffWorks. Other studies have found that air purifiers that contain... More »

The effectiveness of air purifiers depends on the quality of the purifier, the pollutants present in the room, the size of the room and other factors. Overall, good air purifiers are effective only to some extent. Even t... More »

Certain air purifiers can help provide allergy relief; those purifiers have a Clean Air Delivery Rate, a rating standard developed by the Association of Home Appliance Manufacturers, according to EverydayHealth. It's imp... More »

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Some portions of windows air conditioner units are simple to repair, but the compact design of window air conditioners might require users to disassemble almost all of a unit to reach certain components, explains HowStuf... More »

Reviews for air purifiers in 2013 are available on as well as on The New York Times website. rated units based on spec sheets, values, maintenance and replacement... More »

Though they do not outperform more expensive, specialty brands of air purifier, reviewers have stated that Honeywell air purifiers are the best value out of the department store brands. While they do not provide many ext... More »

EdenPURE sells portable space heaters, air purifiers and replacement parts, and it also sells housewares such as rapid cookers, vacuums, humidifiers and dehumidifiers. The EdenPURE website provides information on all of ... More »