ROOF TOP UNITS (RTUs):
The term “packaged” refers to factory-made assemblies that normally include an evaporator or cooling coil, evaporator fan, compressor, and condenser combination. (may also include a heating function) integrated into one cabinet. Since these units are most often placed on the roof, single package units are commonly called “rooftop” units (RTUs). They come in various configurations, based upon their particular application.
Although well equipped to handle the effects of the weather; over time, dirt, pollen, leaves and debris will impede air flow. They require frequent filter replacement and regular coil cleaning to perform effectively and efficiently.
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