Page from a well-known site electricity supplier point of view, "Cooling Fan" in the price range of 200 to 500 yuan, the price at around 300 such fan product comparison by consumers, it seems that most consumers have to pay more if you feel 100 about yuan can buy a really cool to enjoy the "Cooling fan" is acceptable, about 500 yuan fan products, relatively few people buy, after all, a thousand dollars to succeed, can be considered a single small the cold air conditioning. "Cooling Fan" look floor fan sales reference, this product of years ago, there have long been popular, stand fan entity malls and major electricity supplier sites have considerable sales, best-selling or around $ 200 non-inverter stand fan.