Once you decide that you need a ceiling fan, you may be overwhelmed by the choices.  Here are three things that you need to consider when purchasing a ceiling fan. Ceiling Height-Most fans work with 8 or 9 foot ceilings, but if you're ceiling is higher, you may need a down rod. Your room's square footage-this will determine the size fan that you need, and what blade sweep (the distance from the end of one blade to the opposite blade.) The style of your room-Are you going for a contemporary feel?  Choose a modern ceiling fan style with sleek lines and minimal detail.  If the space...