The thermal heat pump is an invention of great significance for the modern age. You might not think of things like refrigerators and air conditioners as heat pumps before, but it’s hard to imagine life before these modern day devices were invented.
Just like a refrigerator, an air conditioner gets quite warm outside the room, while it pumps cool air inside the room. Window mounted room units give off a warm breeze of air outside as do separate AC condenser units used in central AC installations.
You can also find examples of heat pumps in nature, but to best understand the idea of heat pumps, the simplest understanding can be gained with our two examples above. When thought of in terms of a heat pump, air conditioners and refrigerators make the idea clear.
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