Many people may buy "Cooling Fan" is looking to send this fan can have the effect close to the air, after all, is also selling a lot of these fans, it also called air-conditioning fan, these "cold", "air conditioning" These wording is undoubtedly more likely to attract consumers to spend more money to buy a hot day this fan products. From a practical point of view comparison test, "Cooling Fan" will indeed locally formed cooling effect, if enabled humidification mode, out of the wind will bring very slight fog (almost feel), evaporation will help cool down the heat even more, but to do so the local relative humidity will rise, even if for a long time in one direction while driving this fan, ambient temperature will not be as pronounced decline in air conditioning blowing, after blowing out with cold mist wind soon Council and other relatively high temperature fusion of indoor air, far from obvious that the air conditioning cooling effect. Summarize what is "Cooling Fan" will air in front of the local area has some cooling effect, but the effect will not be obvious, but this mist cooling effect of evaporation, that is not everyone likes.