Aprilaire Dehumidifiers reduce overly humid conditions to help protect furnishings and belongings from warpage, mildew and rot. Reduces growth of allergens like mold & mildew an dust mites. Get rid of that sticky, cold clammy feeling and musty smelts. Aprilaire dehumidifiers have your health and comfort covered. Molds, mildew and dust mites don't have a chance with Aprilaire.