We recently moved from California to Colorado.  We heard Colorado was very dry...especially in the winter.  Folks living in CO told us we needed to get a room humidifier asap.  After doing some research we found this humidifier (way less expensive here) and ordered asap.  It is easy to set up and use. The controls are very, very easy to use allowing you to choose the humidity level and fan speed.  It works immediately and is very quiet. We even sleep with it on in our bedroom. In a fairly large great room (approximately 900 sq ft) the humidity went from 22% to 35% in a matter of an hour or so.  It's changed the way we feel and the way our wooden furniture and cabinets feel too!