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9 humidifiers that actually clean the air

By: Mary Jo DiLonardo on Dec. 18, 2015, 2:44 p.m.

Photo: BrunoGarridoMacias/Shutterstock

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Cleaning and humifying

When temperatures drop outside, the air in your house can get very dry. That means humidifier season. There are basically two types of humidifiers: cool mist and warm mist. They both add moisture to the air, but some newer models also promise to purify the air and kill bacteria, which is a common concern with these always-damp machines. Others have special technology in place to keep the machine relatively germ- and mold-free. Here's a look at nine machines that clean the air while they humidify it.