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  2. Evaporative cooler - Wikipedia

    en.wikipedia.org/wiki/Evaporative_cooler

    An evaporative cooler (also known as evaporative air conditioner, swamp cooler, swamp box, desert cooler and wet air cooler) is a device that cools air through the evaporation of water. Evaporative cooling differs from other air conditioning systems, which use vapor-compression or absorption refrigeration cycles.

  3. Yes, Swamp Coolers Really Work—But Only When You Follow These ...

    www.aol.com/lifestyle/yes-swamp-coolers-really...

    Unlike window air conditioners, which work to fill up an enclosed space with cooler air, evaporative coolers simply push cool air outward, so you can use them outside and in spaces like screened ...

  4. Portable Swamp Coolers That Lower Temps (and Energy Costs)

    www.aol.com/portable-swamp-coolers-lower-temps...

    A portable evaporative cooler, also called a swamp cooler, is an affordable alternative to a portable or window air conditioner if you live in a dry climate. Find the best room-size portable swamp ...

  5. Passive cooling - Wikipedia

    en.wikipedia.org/wiki/Passive_cooling

    The effectiveness of evaporative cooling is largely dependent on the humidity of the outside air; dryer air produces more cooling. A study of field performance results in Kuwait revealed that power requirements for an evaporative cooler are approximately 75% less than the power requirements for a conventional packaged unit air-conditioner. [31]

  6. Swamp Coolers Are Cheaper, Energy-Efficient Alternatives to ...

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  7. Pot-in-pot refrigerator - Wikipedia

    en.wikipedia.org/wiki/Pot-in-pot_refrigerator

    There is evidence that evaporative cooling may have been used in North Africa as early as the Old Kingdom of Egypt, circa 2500 BC. Frescoes show slaves fanning water jars, which would increase air flow around porous jars to aid evaporation and cooling the contents. [3] These jars exist even today. They are called zeer, hence the name of the pot ...

  8. Fan (machine) - Wikipedia

    en.wikipedia.org/wiki/Fan_(machine)

    Typical room electrical fans consume 50 to 100 watts of power, while air-conditioning units use 500 to 4000 watts; fans use less electricity but do not cool the air, simply providing evaporative cooling of sweat. Commercial fans are louder than AC units and can be disruptively loud.

  9. Spanish moss - Wikipedia

    en.wikipedia.org/wiki/Spanish_moss

    In the desert regions of southwestern United States, dried Spanish moss is sometimes used in the manufacture of evaporative coolers, colloquially known as "swamp coolers" (and in some areas as "desert coolers"), which are used to cool homes and offices much less expensively than air conditioners. The cooling technology uses a pump that squirts ...

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