Essential tools for ceiling fan installation include a ladder, screwdriver, pliers, wire strippers, and a circuit tester. If the ceiling is angled or features unique configurations, ensure the availability of a compatible mounting bracket.

The number of blades for your fan poses both advantages and disadvantages. Typically, the more blades on a fan, the better the air distribution and cooling effect, but this also means that your fan will have more wear on its motor. For small rooms, three-blade fans should work fine. For larger areas like living rooms, four or five-blade fans might be the better option. 

Whether you can install a ceiling fan yourself depends on if you're replacing an existing fixture or installing one where no wiring exists. If you are replacing an existing fan, an experienced DIYer may be able to do the job, which can save on labor costs. This work typically doesn’t require a permit, but there’s always a safety risk when dealing with electrical components, so hiring a pro is still a good idea, especially if you aren't handy. Keep in mind you may need a special ladder for high or vaulted ceilings. However, if you are installing a new ceiling fan where there is no current fixture, you must hire a licensed electrician. In most areas, it is required by law that a professional runs new wiring and pulls the necessary permits. Attempting to install wiring yourself can be dangerous and a code violation.

There are several telltale signs to let you know that your ceiling fan needs servicing or replacement. For instance, if it’s wobbling, rotating too slowly, or if your ceiling fan is making noise such as squeaks, buzzes, and thumps, it’s time to have it looked at by a professional. Not only may it indicate a potential problem with the fan itself, but it could also signal a red flag that it’s improperly assembled or there’s an issue with the wiring.