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How a Swamp Cooler Keeps You Cool - Naturally!
A swamp cooler may not sound very appealing - after all, who wants to live in a swamp? But under certain conditions a swamp cooler can prove to be the ideal choice to meet your cooling needs. A swamp cooler can also be called an evaporative cooler, which should give you a good idea of how it works. Natural evaporation and a simple air-moving system provide the key to how a swamp cooler can lower the temperature in a room by as much as 20 degrees Fahrenheit.
If you've ever climbed out a swimming pool and felt goose pimples on your skin, then you have experienced natural evaporative cooling. A swamp cooler uses the same principle. A fan pushes warm, dry air through moistened pads. As the water in the pads evaporates, the air cools down and is circulated throughout the room. Since a swamp cooler uses the natural process of evaporation to provide cooling, it requires much less energy to cool a room than an air conditioner of comparable size. In fact, the first evaporative coolers didn't use electricity at all - ancient Egyptians waved fans over large containers of water to cool the air using the same principles that a swamp cooler uses today.
Generally speaking, evaporative coolers are cheaper than air conditioners and less expensive to operate. But a swamp cooler is not suited to every situation. In humid weather, when the air is already filled with moisture, a swamp cooler will not provide effective cooling. In fact, it will only increase your discomfort by adding to the damp, sticky environment - that's how it earned the name "swamp cooler." A swamp cooler works best in arid climates where evaporation happens quickly, providing a refreshing burst of cool air when you need it most.









