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Auxiliary Heat

the heat that a heat pump uses as as supplement

Scroll Compresor

increases the effieciency of the heat pump

Coefficient of Performance

determined from the heat pumps heating output divided by the input

Liquid Line

the flow reverses from season to season


normally instigated by the time and temperature and terminates by the time or temperature

Air to Air Heat Pump

loses capacity as the outside temperature goes down

Emergency Heat

controlled with a switch in the room thermostat

Balance Point

occurs when the heat pump is pumping exactly as much heat as the structure is leaking out

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