How does a water-cooled air conditioner work?

There are several different ways that water is used in air conditioning. The most common use is in cooling towers. A cooling tower can be any size, from really gigantic down to the size of an automobile.

In a cooling tower, air blows over water to create evaporative cooling, and this cooler water is used in the heat exchanger of, say, an air conditioner. A more direct form of evaporative cooling is often found in greenhouses, farmers' markets and chicken houses. In these kinds of systems, water flows over a mesh, and a fan blows air through the wet mesh into the building. Humid, cooler air is the result.


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Frequently Answered Questions

Does an air conditioner use water from the house?
No, most air conditioners do not use water from the house. Some air conditioners, however, use a small amount of water to help cool the air.