Humidifiers keep rooms feeling comfortable, they help to relieve the symptoms of Allergies, Asthma, Sinus problems and Croup. A humidifier will help if you suffer from respiratory problems, dry throats or dry eyes which can make wearing contact lenses feel very uncomfortable. An air humidifier is also used to protect musical instruments, art and valuable furniture from the effects of drying out and from the expansion and contaction caused by variations in relative humidity levels.
Steam humidifiers can be used as inhalers, evaporative humidifiers and ultrasonic humidifiers have lower running costs, a radiator humidifier has the lowest running costs of all.