How Does Air Conditioning Work?

How frequently do you drive past a home or other building and spot the air conditioner

? Possibly never, unless it's a window air conditioner that looks like it doesn't belong there. True air-conditioning means not only controlling the temperature, but reducing the humidity and purging the air. Air-cooling is just causing cool or cold air into a room, space or building. For the purposes of this text, the terms will be interchangeable. The most effective way to explain it works is the same way your fridge keeps food cold.

That'd be a fair enough reason, if you know how a fridge keeps things cool. You do know that every has a fridge. You know they make a quiet noise every couple of mins. You know things stay cold and fresh longer. The fridge isn't that complicated. It circulates a refrigerant thru a system of coils. The noise you hear is a compressor. The compressor compresses the gas refrigerant into a liquid. The liquid then moves thru the coils and soaks up heat. We are going to go into more detail immediately.

Many homes have air conditioner units in the back or side yard. Some have the window air conditioner, which is effective for cooling a smaller area. Office buildings and other larger buildings have the units on the roof or in large metal structures containing a system.

Irrespective of what the size or the shape, almost all air conditioners function the same way. As we revealed, it works pretty much the same as your refrigerator. The principal is evaporation. Both the fridge and the air conditioner unit employ a refrigerant that, in its standard state, is a gas. The gas might be one of one or two types or composition, nonetheless it is frequently called Freon. The method of cooling the interior of a fridge, or for an air conditioner to chill a building space, is a cycle.

The 1st piece of the aircon system is the compressor. The compressor does exactly that it compresses the refrigerant gas. The method makes the refrigerant become hot and, naturally, under stress. The now hot gas circulates thru coils on the exterior of the refrigerator or building and abates the heat. The heat abating cools the refrigerant gas into a liquid.

After the refrigerant becomes a liquid it is going thru another piece of the system called an enlargement valve. Running thru the enlargement valve produces evaporation and the refrigerant becomes cold and at low pressure. The cold gas continues thru the inside of the chiller or building thru coils. The cold, low pressure refrigerant pulls and soaks up heat within a chiller. In an air conditioner, a fan propels the cold air across the area or building. The cycle starts then all over again.

There is little doubt that most people look at air conditioning and air cooling as a welcome miracle. It is a simple process of converting a refrigerant gas to a hot liquid under pressure, then changing it to a low pressure-cooling agent to absorb heat; keeping us and our food cool.

by: David Vega

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