The first and most basic step to take to extend your air conditioning units life is to replace the filter. You ought to replace it whenever it gets filthy. Depending upon the usage, that might range from every three to 6 months. There are some filters out there which can last up to a year. Ask somebody in the hardware store for more suggestions.
Once a year, make sure that you inspect the evaporator coil located inside the air handler to see to it there is no dust build up Air Conditioning Services Phoenix AZ . When the weather condition begins to cool, you ought to inspect the outside of the air conditioning unit. You ought to check around the unit and see to it 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 clogged with dead bugs or pollen. Spraying the condenser with a hose will usually suffice to get rid of all the debris.
Although lots of ac units today utilize direct drive motors, it is a great idea to inspect the belt in the air handler. You may have to change it. If no change is required, you may only have to oil the motor bearings once a year.
It is also great to inspect the contactors and various other electrical parts; many of them are located inside the condensing unit. The contactor runs the compressor, and the contacts get pitted and have to be changed occasionally. Various manufacturers utilize different types of contactors, so review the handbook to discover exactly what kind you need.