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An air cooler, or swamp cooler, is a device that cools air through the evaporation of water, making it particularly effective in dry climates. It works by drawing warm air through wet pads, allowing the water to evaporate and cool the air before circulating it into the space. Air coolers are energy-efficient and environmentally friendly, as they use less electricity and avoid harmful refrigerants. However, they can increase indoor humidity and may be less effective in humid conditions, requiring regular maintenance and water refills.
for more details: https://climateplus.ae/evaporative-coolers/...
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