In our heated, ventilation systems-ventilated cellar or guest room is formed in the summer a damp basement air, because then that will be invisible, the drying heater. For this reason I bought for summer days this device to dehumidify with timer for a few hours a day the room. The performance bezgl. Dehydration is unfortunately out of proportion to power consumption and noise emission. with condenser dryers, we have done it in detail experiences in the context of a screed water damage - Of course, such a household appliance comes nciht approach the professional equipment: wine but little power at 1,5kWh / d I would have expected. In clearly damp cellar air we came up 150mlWasser- "win" over 24. Due to the rather loud operating noise we had to always close the room door, which ran counter to the airflow with the house ventilation, so that ultimately the indoor climate was more humid than better ... Now the device is around and wait for a possibly meaningful use after an accident in the area ...