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Why does a refrigerator give off heat?

Updated: 9/16/2023
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14y ago

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1). It's removing heat from the food-storage compartment, and that heat has to go somewhere.

2). In order to do the job, it has to use some extra energy; it gets that from the electric company,
and exhausts that extra energy also into the kitchen.

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14y ago
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Q: Why does a refrigerator give off heat?
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Why does your refrigerator give off so much heat?

The compressor compresses the refrigerant gas. This raises the refrigerant's pressure and temperature, so the heat-exchanging coils outside the refrigerator allow the refrigerant to dissipate the heat of pressurization.


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As refrigerators give off heat from the back, the only real way to conserve the heat from it is to use it in a room that is already cold. Thus using the heat from the heat exchange on the back to add to any heat source in the room. This will not act as a heater for the room but may help to maintain the temperature very slightly when the heating is turned off.


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A refrigerator works by evaporating the coolant inside the refrigerator thereby absorbing heat. The evaporated coolant is pumped outside of the refrigerator and compressed to make it liquefy and give up its heat then returned to be evaporated again.


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