How Does Air Conditioning Work?

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Air conditioning is a process that involves the removal of heat and moisture from the air in a room or building. It works by using a refrigerant, a chemical that can change from a gas to a liquid and back again very easily. The air conditioning process involves several components, including:

  • Compressor: The compressor is responsible for compressing the refrigerant gas to a high pressure and temperature.
  • Condenser: The hot, high-pressure refrigerant gas then moves to the condenser where it releases heat to the outside environment, causing the refrigerant to condense into a liquid.
  • Expansion valve: The expansion valve is a small device that reduces the pressure of the refrigerant liquid, causing it to evaporate into a gas again. This process absorbs heat from the surrounding air, cooling it down.
  • Evaporator: The evaporator is where the cold refrigerant gas absorbs heat from the indoor air, cooling it down and causing the moisture in the air to condense into water.
  • Fan: A fan blows the cooled air back into the room, while another fan blows the warm air outside.

The process of refrigerant gas being compressed, condensed, expanded, and evaporated continues in a cycle, constantly removing heat and moisture from the indoor air until the desired temperature and humidity level is reached. This cycle is controlled by a thermostat, which turns the air conditioning system on and off as needed to maintain the desired temperature.

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