It can, if you can find the right angle. You want to have your blades angled in such a way that they will create enough wind resistance to push air downward into the room for circulation. If they are too flat, they will just slice through the air and waste your energy.
As cafils44 said, the angle is important. Too little, and the fan blades won’t push any air; too high, and it can feel like a box fan attached to your ceiling. The ideal angle lies between 12 and 16 degrees. If the fan is in a room where it is common to have papers spread about, try an angle between 14 and 12 degrees. For general, more efficient use, 14-16 is a good range.
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