Air-O-Swiss Founded in 1956 and based in Switzerland, Air–O–Swiss® is a leader in the high performance air humidification and purification market, bringing over five decades of product development and innovation experience to serve your family. Each day we, and our little ones, breathe air in our homes that contains harmful particles. Advanced air treatment systems can help to ensure the quality of the air you breathe and to provide proper air humidification. Whether you suffer from allergies or simply desire clean, moist air, there is an ultrasonic humidifier, steam humidifier, humidifier and air purifier, air treatment system or digital humidifier that's right for you. Proper humidification reduces discomfort, tiredness and illness; susceptibility to colds, chapped lips, dry eyes and itchy skin; helps your baby to feel and sleep better; reduces damage to wooden objects and helps to reduce dust levels.