Stand Fan basically become a standard in every household appliances (Tyrant home may not need), and in order to enjoy a more cool feeling, with less air-conditioned environment, we a lot of people would consider buying "Cooling Fan", also air-conditioning fan can be referred to these products, the difference is a regular floor fan and the this fan may be between 100 to 200 dollars, because we "cold", "air-conditioned" this fan while these words became interested in it ? And spend more nearly a floor fan cooling type fan of the purchase price, we really feel that this investment cost-effective?