Westinghouse Industrial Ceiling Fan With Light - You know what? The title of the article is simply out-and-out misleading. The only real "con" in regards to some ceiling fan is what it takes to get one correctly installed. Ceiling fans may be hard to install for the inexperienced do-it-yourselfer. In some cases, where the ceiling fan will be to be set up you will need to run an electric line to the area. Hiring a capable, bonded and licensed electrician will most likely save you much grief in the future unless you're adept at achieving this type of thing.
There's also the minor "disadvantage" that entails the problem of periodic maintenance. Properly installed, a ceiling fan provides years and years of enjoyable cooling and cost-savings in your heat bill (assuming you have a fan that enables one to reverse the blade direction).
On occasion, ceiling fans get out of equilibrium and need small alterations. The most frequent offenders are loose screws that attach the blades to the motor casing, blades that aren't at exactly the same angle (pitch) as the rest of the blades and also a blade or blades that weigh somewhat more in relation to the others. Make sure that all of the screws are tight without going into great detail. If they're not tightening the ones that run the fan and have come loose. When the wobbling has stopped, your issue has been solved.
Otherwise, utilize a yardstick or another straight piece of wood and place it (with the fan quit) vertically at the outer edge of among the blades. Rotate the blades by hand to ensure that the stick is touched by each blade. If one or more don't, just (and gradually) bend the blade(s) so that their pitch matches the others and repeat the process until you're satisfied that each blade has the same pitch.