Many people think dealing with the HVAC is tough work. This does not have to happen though. This guide provides some great advice that makes understanding easy.
Know what you need before you hire a contractor. It will be hard for a contractor to give you a price estimate over the phone if they have not seen your current system. If you do not know what you want, the process can become tedious, especially over the phone. So, know this information in advance.
Clean the fan blades and coils on the condenser fan every spring. Shut the power off before you do anything. Then remove the grill, remove the blades and clean it from top to bottom gently.