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How can a dehumidifier help my cold?

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Home dehumidifiers can be beneficial for people suffering from cold symptoms who have a house with high humidity, explains Mayo Clinic. High humidity can cause the growth of mold and mildew, which can exacerbate respiratory symptoms. The dehumidifier works to reduce excess moisture in the air caused by humidity.

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Dehumidifiers work much like air conditioners, but they do not give off cool air, says Mayo Clinic. Reducing humidity in the home is important for people suffering from respiratory symptoms caused by the common cold, so that symptoms are kept at a minimum.

Numbers of dust mites increase in environments where the humidity is high, says WebMD. Mold and mildew also grow in areas with high humidity. Dehumidifiers may also be beneficial for people who live in a climate that is naturally humid or if the home shows signs of high humidity. These can include wet spots on walls, moisture on windows and a stuffy feeling or musty odor.

If only one room in the house suffers from high humidity, a small dehumidifier may be all that is needed. These cost about $200 as of October 2014, according to WebMD. However, if the entire house is humid, an investment in a whole house dehumidifier may be necessary, and these cost between $1,500 and $2,000.

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