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 » Home & Garden Heating & Cooling

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 » Home & Garden Appliances

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 » Health Conditions & Diseases Allergies
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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 » Home & Garden Heating & Cooling

By removing allergens and pollutants from any environment, air purifiers can reduce allergy symptoms and thereby improve overall quality of life. Although treating asthma is a complex, multifaceted task, improving indoor... More » Home & Garden Heating & Cooling

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 » Home & Garden Heating & Cooling

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 » Home & Garden Heating & Cooling