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There are many components to an air conditioning system, including air ducts, duct vents, heat pumps, fan motors, evaporators, condensers, and air conditioner coils. You can easily perform most routine maintenance tasks by yourself.

The Evaporator
Your central air conditioning system’s evaporator unit is responsible for cooling air by using a refrigerant such as Freon. In some systems, the evaporator is accessible and, therefore, can be cleaned and serviced by homeowners—this maintenance should happen at least once a year. If your evaporator is sealed and inaccessible, do not attempt to clean the unit yourself. Instead, hire a trained professional to do the job.

The Condenser
Your system’s condenser unit should be located outside of your house and situated securely on top of a concrete slab. Since it utilizes a giant fan to move air through itself, the condenser attracts airborne dirt and dust, leaf and lawn debris, and random particulate matter, which can accumulate on its coils and clog the unit and obstruct airflow. Before you turn on your air conditioner for the summer, be sure to clean your condenser of any debris. Use a specialized cleaner and brush to remove dirt from coils and fans. Never try to flush the unit with a garden hose; water can turn dirt and dust into mud, which is harder to clean up.

The Refrigerant
When your system is low on refrigerant, it cannot function properly. Check your systems coolant lines to make sure they are in working order. Look for signs of wear and tear or damage to the insulation, and replace faulty lines accordingly.

The Fan
Your system’s fan serves a very important purpose and should be kept clean and free of obstructions. Use a vacuum and a soft cloth to remove dust and debris, and monitor the condition of your fan’s motor.