Air Purifiers and the Cost of Clean Air - ConsumerReports.org

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Air Purifiers and the Cost of Clean Air - ConsumerReports.org

Air Purifiers and the Cost of Clean Air - ConsumerReports.org

Posted: 25 Oct 2019 02:00 PM PDT

The best ways to improve indoor air are to remove any pollutant sources and ventilate with clean outdoor air. When those methods aren't possible—or they're not enough—portable air purifiers can help reduce indoor pollution. 

The air purifiers that do well in our ratings capably filter dust, smoke, and pollen from the air.

EPA-reviewed studies have also shown improved cardiovascular health and modest improvements in allergy and asthma symptoms among participants. However, scientific and medical communities can't definitively link the use of air purifiers to health benefits because reported health benefits are inconsistent among participants and there have been very few long-term studies. 

There are also limits to what an air purifier can do. An air purifier can only remove allergens while they're floating in the air. Larger, heavier allergens, such as mites, mold, and pollen, settle to the ground so quickly that the air purifier can't capture them all in time. Studies are inconclusive on air purifiers' ability to tackle gases.

Because the health benefits from using air purifiers vary from person to person and depend on the types of pollutants in your home, it's ultimately your call if paying for—and running—an air purifier is worth it. We provide the data, you make the call.

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