Do Air Conditioners Need A Compressor?
I’ve been interested in how air conditioners work recently, so I looked it up. I understand that the compressor compresses the freon so it will become hot, which then passes through through basically a radiator to cool down. I assume it is compressed so the cooling process happens quicker. Can the compressor be removed and simply allow the freon to remain in the radiator longer? Wouldn’t this perform the same function?
Thanks for any info!
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Edward is not wrong, but it could be clearer.
If you take an aerosol can, and spray it for a few minutes, you will notice that it gets cold. When liquefied gasses expand, they absorb energy to change from the liquid to gas state. When they absorb energy, that means they take heat from their surroundings. They get cold.
An air conditioner cools by letting compressed gas expand into the coils that do the cooling: the ones in your house,
But then you have this gas. It is already expanded, so it cannot expand more, so it is useless for cooling.
Enter the compressor. The compressor takes this gas and compresses it into a liquid. But in doing so a great deal of heat is created: the amount of heat that the liquid absorbed to become a gas, is now released when it is forced back into a liquid.
But now, what can we do with this heat? Ah. We can feed it into another coil that is outside of your house, and blow outside air through it. This air will be heated, and so the heat is dissipated to the outside. Then again this liquid is allowed to expand into the inside coil, where it gets cold.
So the compressor is an absolutely necessary stage in the process. It, well, squeezes the the gas back into a liquid, and in doing so releases the heat that the gas absorbed in the house, so that it can be dissipated outside the house. In effect, an air conditioner is a form of heat-pump.
Yes. The compression of the gas occurs before it is cooled by the radiator. Then the cooled liquid is passed through an evaporator coil, where it expands, and rapidly cools. The air passing over the evaporator coil comes out much colder than it went into the unit.
Then the gas is compressed again and then the liquid is cooled…..
And the Freon (or ammonia) goes around and around and around…
Yes, unless it’s a ’swamp cooler,’ which works (?) by evaporation only. I’m not sure those should be classified as ‘air conditioners’ however, though that is their intent.
i..don’t think so… i’ve never heard of a air conditioner with a compressor….