Apr 20, 2017 · This one is great because it also protects your outdoor unit from getting covered by leaves and debris. Just make sure there’s enough clearance to let heat escape and of course make it accessible for maintenance. 12. Bamboo wall. This cool and serene bamboo wall and plantings provides privacy and as well as hiding the outside air conditioner. Central air conditioners rely on fans to pull air through the condenser coils in order to dissipate heat. These fans are subject to outdoor conditions and plenty of dirt and grime. While most current models of air conditioners have motors that don't need to be oiled, many older units require periodic oiling to keep the fan in good condition. Air Handlers - An air handler is usually located in the garage, a closet, or in the attic (unless you have a package unit then the air handler is incorporated into one system). It is essential to any AC unit and heating forced air system. Factory-installed filter driers. Filter-driers play a pivotal role in the operation of air conditioning and refrigeration systems. A factory installed filter-drier absorbs and filters residual system contaminants and moisture.