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How Air Conditioning Works

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“As the gas cools it reverts to a liquid, and the process begins again in a continuous cycle”

A vital part of the system is the thermostat. This lets you set it to operate and maintain a certain temperature.

A side effect of air conditioning is humidity. The cooler air is, the less moisture it holds. As a result of cooling air, it releases moisture, this has to be collected and drained away a part of the system.

Air conditioning by Energy Gain UK

How air-conditioning works depends on the type of system used. There are several types of air conditioning systems. Perhaps the most common are split systems, where the cooling coils are inside, and the outside condensing unit is separate, and usually mounted on a roof or wall. These are very common in many facilities, but not practical in larger buildings because of the distance limitations of pipes running between the condenser and the air-handler, or the lengths of ducting required.

In these cases options include chilled water systems, where the entire air conditioner is installed out of the way – on roof or at the back of the building. It cools water, which is then pumped through the building to connected air handlers. These water pipes operate like the evaporator coils in a standard air conditioning unit.