Different Types of Air Conditioners and How They Work
Evaporative
Which you should get
Refrigerative

Refrigerative Cooling (Standard Air Conditioning)

Description
Standard Air Conditioners (Refigerative Coolers) cool a lot quicker and more effectively than evaporative coolers do, especially in humid climates. But refrigerative cooling uses 4 times the energy and creates a small brownout when you turn it on.

How They Work
The main part of a refrigerative cooler (air conditioner) is a compressor, which uses a huge amount of power. The compressor compresses the cold gas cooleant to liquid through the condenser (a coil of pipes). When it compresses inside the condenser, the cooleant gets hot. A fan blows the heat from the condenser outside. After going through the condenser, the cooleant goes through an expansion valve, which lets the cooleant slow down. Then the cooleant enters the evaporator at low pressure. The low pressure causes the cooleant to evaporate, making it very cold. The evaporater is a coil of pipes. Then the cooleant enters the compresser again.

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