The first and most basic action to take to prolong your air conditioners life is to replace the filter. You ought to replace it whenever it gets filthy. Depending on the use, that can range from every 3 to six months. There are some filters out there which can last up to a year. Ask somebody in the hardware shop for more suggestions.
Once a year, be sure that you check the evaporator coil located inside the air handler to make sure there is no dust build up. When the weather condition starts to cool, you ought to check the outside of the air conditioning unit. You ought to check around the unit and make sure there is no debris on the surface of the condenser, as that will stop airflow. Also, you ought to check in between the fins of the condenser to see that its not plugged with dead insects or pollen. Spraying the condenser with a hose will usually be good enough to get rid of all the particles.
Although many ac units today utilize direct drive motors, it is a great idea to check the belt in the air handler. You may need to change it. If no change is needed, you may only need to oil the motor bearings once a year.
It is also good to check the contactors and various other electrical parts; most of them are located inside the condensing unit For more Info . The contactor runs the compressor, and the contacts get pitted and need to be replaced occasionally. Different manufacturers use different kinds of contactors, so check the manual to discover what kind you need.
