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  2. 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 ...

  3. 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.

  4. Air conditioning - Wikipedia

    en.wikipedia.org/wiki/Air_conditioning

    Air conditioning can be achieved using a mechanical 'air conditioner' or by other methods, including passive cooling and ventilative cooling. [ 2 ] [ 3 ] Air conditioning is a member of a family of systems and techniques that provide heating, ventilation, and air conditioning (HVAC) . [ 4 ]

  5. Fan (machine) - Wikipedia

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

    This type of fan is used in a wide variety of applications, ranging from small cooling fans for electronics to the giant fans used in cooling towers. Axial flow fans are applied in air conditioning and industrial process applications. Standard axial flow fans have diameters of 300–400 mm or 1,800–2,000 mm and work under pressures up to 800 ...

  6. The best portable air conditioners - AOL

    www.aol.com/news/best-portable-air-conditioners...

    Best portable air conditioner for large rooms: De'Longhi De’Longhi EX390LVYN 14,000 BTU Portable Air Conditioner. Cooling power: 14,000 BTUs. Room size: Up to 700 square feet. Hose type: Single hose

  7. Pot-in-pot refrigerator - Wikipedia

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

    A pot-in-pot refrigerator, clay pot cooler [1] or zeer (Arabic: زير) is an evaporative cooling refrigeration device which does not use electricity. It uses a porous outer clay pot (lined with wet sand) containing an inner pot (which can be glazed to prevent penetration by the liquid) within which the food is placed.