Daughter 1 moved home and we set her up in the Finished Basement. She was having trouble with allergies so we bought this and an Air Purifier. 
We knew our Basement was Damp but didn’t realize HOW DAMP!  We are pulling a full container of water every other day. It has been extra humid and rainy lately. This little machine certainly does the job. We could feel the difference after the first night of using.  TRULY AMAZING.