How Does a Window Air Conditioner Work?
The Basics
All air conditioners and refrigerators use the same concept to keep something cool. There are three main parts: a compressor, evaporator, and condensor. In a window unit. The compressor and condensor are locatedon the outside part, and the evaporator is located inside.
Inside a Window Unit
In addition to the three basic parts, a window unit contains two fans, a hot and cold coil, expansion valve, and a control unit. Window units can not fit small windows because they need to be made to fit all these components.
The Cooling Process
A refrigerant is used to provide the cooling. It will most likely be freon. The compressor pressurizes and heats the freon, which then runs through the hot coils to dissipate the heat. It becomes a liquid at this point. The liquid then runs through the expansion valve so it becomes cold freon gas. The gas then runs through the set of cold coils to cool down the other side of the window.
Getting the Air
The two fans are needed to blow the coils to dissipate the air. One fan blows the hot coils towards the outside, while the other blows the cool air inside. The same motor provides power to both fans.
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