How to choose the right Cooling Fan Manufacturer?

"Cooling Fan Manufacturer" cool as a basic tool for human life has played a major role. Fan category in continuous improvement, the fan revolution is also ongoing. As of the current fan category very rich, there are stand fan, fan page (desktop / lift), Tai Shan, Taiwan stand fan, wall fan, tower fan, and so on, different "Cooling Fan Manufacturer" category for the crowd and the main use of the environment are different. Here for the "how consumers choose the right fan?"
1. Optional fans of the first dimension: Positioning fan categories according to their needs
2. The second dimension of the optional fans: Look fan core components: Motor
3. Optional fan of the third dimension: Look fan energy efficiency rating
4. Optional "Cooling Fan Manufacturer" the fourth dimension: Look fan function configuration