Even after searching it up I still don’t understand how it cools down air.
And what exactly does Freon do?
In: 9
I don’t completely understand it myself, but I’ll give you what I do know.
The concept is that a liquid flows in a loop from the front of the ac to back. When the liquid is in the back of the ac it gets cooled. When it’s in the front, fans blow across the pipes containing the liquid, and since the liquid is cold, that blows cold air into your living space.
When the liquid is in the front of the ac with the fans blowing across it, it “looses cool”. It gets warmer. When the warm liquid gets back to the back of the ac, it gets cooled again and round and round it goes.
This principle could work if you ran plastic tubing through a bowl of ice, filled the tubing with water, pumped the water through the loop so it cooled in the ice, and then run the tubing across a fan blowing into your living space. The water would cool in the ice, warm as it passed across the fan and then cool again in the ice.
The problem is that it wouldn’t be cold enough to cool well. Therefore scientific principles are used to increase the temperature range of the water. The compressor in an air conditioner literally compressed the water, which allows it to reach colder temperatures, plus there’s no ice to melt and need to be replaced.
(The chemistry used to increase the water’s temperature range is complicated. But that process is at the heart of the air conditioner. Without it there would be no ac.)
However water has a narrow range of temperatures and it takes a lot of energy to cool it, so water is not used in a ac. Instead they use substances that react more. They get cooler than water, faster than water. Freon is that substance. It cools much better than any other safe liquid available.
(However now Freon has been found to be destructive to nature so it’s being replaced with something else – which is safe, but doesn’t cool as well as Freon, but still better than water.)
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