A cool mist humidifier can be purchased online or at a physical store from such retailers as Wal-Mart, Target and Bed Bath & Beyond. Consumers wishing to purchase cool mist humidifiers for babies and toddlers can do so from retailers such as Babies R Us.
Wal-Mart has several cool mist humidifiers, including the Crane cool mist humidifier, which retails between $40 to $50, as of February 2015. Target also carries the same model, in addition to the Crane Elephant cool mist humidifier, designed for children. Bed Bath & Beyond offers similar models, including ones that expel both warm and cool mist. Babies R Us stocks a variety of humidifiers, as well as their own brand cool mist humidifier.