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Air conditioning has existed, in one form or another, for at least 4,000 years and whie technology has greatly advanced in this time, the basic principles behind cooling remain the same.



How Air Conditioners Work


Air conditioners and refrigerators work the same way. Instead of cooling just the small, insulated space inside of a refrigerator, an air conditioner cools a room, a whole house, or an entire business.

Air conditioners use chemicals that easily convert from a gas to a liquid and back again. This chemical is used to transfer heat from the air inside of a home to the outside air. The machine has three main parts. They are a compressor, a condenser and an evaporator.

The compressor and condenser are usually located on the outside air portion of the air conditioner.

The evaporator is located on the inside the house, sometimes as part of a furnace. That's the part that heats your house.

The working fluid arrives at the compressor as a cool, low-pressure gas. The compressor squeezes the fluid. This packs the molecule of the fluid closer together. The closer the molecules are together, the higher its energy and its temperature.

The working fluid leaves the compressor as a hot, high pressure gas and flows into the condenser. if you looked at the air conditioner part outside a house, look for the part that has metal fins all around. The fins act just like a radiator in a car and helps the heat go away, or dissipate, more quickly.

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Expert HVAC Services Inc.
Office: 1635 W Sequoia Dr, Phoenix, AZ 85027
Mailing: PO Box 87959, Phoenix, AZ 85080-7959