How air conditioner works and what is the work of ac outdoor fan?
In: Engineering
In order to go from a liquid to gas (evaporate) the liquid needs a supply of energy (heat). Your AC has liquid refrigerant which can evaporate at very low temperatures and the heat it uses to do that it extracts from the air inside your house, cooling it down. Fans then blow that cool air out of the AC unit.
The (now hot) coolant gas is pumped outside the house. A compressor outside the house pressurizes the gas and then outputs it into a condenser. The condenser converts the pressurized gas back into a liquid. Just as going from liquid to gas requires an input of heat from the environment, going from gas to liquid results in an *output* of heat to the environment. The fan in the outside unit pumps the hot air away.
The (now cold) coolant liquid is pumped back inside the house where it can cool down more air.
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