Dr. Infrared Heater Elite Series DR-998W can help you prevent cold dry winter air and save money on your heating bills. Dr. Infrared Heater Elite Series DR-998W is the world?s first infrared space heater that combines ultrasonic mist vapor with oscillation to increase the heat transfer rate producing a superior level of therapeutic comfort you?ll want to experience for yourself. The Dr. Infrared Heater DR-998W actually takes the place of three different appliances. It works as a humidifier infrared heater and oscillation fan. The built-in silent ultrasonic humidifier adds much needed moisture to dry winter air and the oscillation function evenly distributes warm moist air throughout your entire room fast.