The humidifier is serving very reliable. The cleaning is very easy to accomplish quickly and easily and thoroughly with higher hygienic requirements. Since the hood with the electric cable - uzu Unlike other devices without the cable hangs down - has to be removed, and the replenishment of water (with a bucket can be poured onto the stack of plates) quick and simple affair. In the low level of air scrubber runs very quietly. At the highest level, unfortunately, not so much. But mostly it is sufficient to run the humidifier on day at a low level (1 or 2) and to choose overnight the higher level when the base air of the room itself has come to rest. Only in extremely dry climates during the first use of the humidifier, it worked for me one day and one night had lasted until the desired humidity level reached since even furniture, curtains and carpets were extremely dry and probably have initially accepted the moisture. The fragrance oils offered by Venta, which may be added to the water, are a matter of taste ....