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Humidifiers try comeback

Jan 15, 2020 - Tampa Bay Times

Health concerns about humidifiers have led several manufacturers to refine older technologies to try to reduce the bacteria and mineral dust they discharge. The newest design, known as a "wicking" humidifier, updates a process in use for at least 20 years: the evaporation of water to produce a vapor.

"Warm mist" humidifiers are being refined, too; they first boil water and then mix the steam with cool air to create a mist.

In recent years, government studies have found that har...