What are the best brands of portable fans to buy?

There are a wide varity of fans that can be purchase based on what you desire in a fan. It can be compact enough to set on your desk as you study or large enough to circulate air through a doorway or window. The new tower fans are also nice they provide good circulation without taking up much space. Most all store now have displays of the fans for you to test for circulation or power before you even choose to buy the product.