I purchased 2 units of this cooler and one filter. Upon receipt, I set it up and presoaked the filter and added the water as instructed. I ran it for almost 30 mins and found that it is only blowing out moist air and the room does not get any cooler. It does not work as advertise and I would like to return this and get the refund. I sent a couple of email to Arctos@***.com and receive no response. I also tried to call the support number and was kept on hold for almost 1 hour. The unit simply does not offer any cooling as advertised. Please contact me with the return and refund instruction. User's recommendation: If real cooling is needed, this is NOT the product to buy.