How does air conditioning work?

Question

I need a brief summary of how it works. Like just a few sentences.

Answer 1

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Refrigerated air conditioning works on the principle that when you compress a gas (even air) you trap the temperature of that gas and the temperature rises higher in proportion to the pressure being exerted on it. Then when you run the compressed gas through a cooler (condenser) the heat is lost. Then you pump the cool-down gas, which is now a liquid, back to the evaporator and when the pressure on the cooled down liquid is released, it diverts back into a gas but much colder. And the difference in lost heat is what you feel. If the inside air temperature is say 80 degrees and you run it through an air conditioning system and loose 40 degrees in the coolant to the outdoors, then the coolant will come back inside and be distributed via a blower at 40 degrees.

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what i needed to know :) thanks!

Answer 2

The basic concept is that as a gas moves from an area of high pressure to an area of low pressure, it gets colder (high pressure = high temp, and low pressure = low temp). Your AC has freon at high pressure in a can, it uses electricity to force this freon through a tiny hole into a larger area, thereby dropping the pressure and temperature rapidly. Fans then blow this cold air out into your house.

Freon is becomming less common as a refridgerant, since it could be harmful to the environment.

Its a little more complicated, but that is the basics of it.