In winter, a humidifier can keep dry air at bay, but you can only reap the benefits if you follow these maintenance tips to ...

An impeller humidifier is another “ cool mist ” humidifier that produces water vapor with a high-speed rotating disk. Similar to the ultrasonic humidifier, the risk of contamination is higher because ...

Bob is a service technician who is well trained and nationally certified. However, he sometimes suffers from the same confusion that all technicians occasionally do - the facts that he gathers may or ...