Although the unit blows cool wet air, but only 20 minutes, then the ice melted and the water in the tank has room air temperature .. so many times you can not change the ice and the water .. full annoying ... because if it tidy is warm .. brings the device virtually nothing .. until one in the room even notice Mussmann also wecheln ice and water again .. otherwise the effect is gone again ... because the water in the warm room is also so warm. , rather get something for 250euro / where the cold air is produced !!! If