Choose excellent quality products. Since the "Mini Air Cooling Fan" industry technology low, uneven products on the market, be sure to choose well-known brand products, so to ensure quality. "Mini Air Cooling Fan" in conjunction with the use of air conditioning. Fans can directly convert electrical energy into kinetic energy, power consumption is very low, from the point of view of energy conservation, for summer use "Mini Air Cooling Fan" is the best choice. And the fan used in conjunction with air conditioning, air-conditioning temperature is set at about 26 degrees Celsius, power and money. Try to use the mid-range or low gear. Usually the first to open files fast, cool, slow down multi-file, you can reduce the fan's power consumption.