Most people are familiar with a standard residential split air conditioning system. It is split because the indoor system blows the cooled or heated air and the outdoor unit makes a lot of noise when it’s operating. These two pieces of equipment are connected by piping that carries refrigerant between them. The outdoor unit contains a compressor, outdoor coil, and fan. During cooling the compressor will compress the refrigerant into a superheated gas, then force it through the outdoor coil. The fan draws the outside air through the...