Evaporative cooling is a natural cooling method that lowers air temperature by evaporating water. Warm, dry air passes through water-saturated pads, where evaporation absorbs heat, then a fan delivers the cooled, humidified air indoors. It uses far less electricity than traditional AC and works best in hot, dry climates.
/ɪˌvæpəˈreɪtɪv ˈkuːlɪŋ/
Evaporative cooling is a natural cooling method that lowers air temperature by evaporating water. Warm, dry air passes through water-saturated pads, where evaporation absorbs heat, then a fan delivers the cooled, humidified air indoors. It uses far less electricity than traditional AC and works best in hot, dry climates.
How does evaporative cooling work?
It cools air by evaporating water as warm air moves through wet pads, then delivers that cooler air indoors.
Source: The Cooling Company
Evaporative cooling adds humidity while lowering temperature.
In desert climates, homeowners use evaporative coolers to keep indoor spaces comfortable while cutting energy use compared to compressor-based AC.
Ensure good ventilation so moist air can exit the space, and keep pads clean for efficient cooling.
“Ensure good ventilation so moist air can exit the space, and keep pads clean for efficient cooling.”
Evaporative cooling has been used for centuries, from wet-cloth wind catchers to modern swamp coolers.
Is evaporative cooling the same as air conditioning?
No. It cools by evaporation rather than refrigerant compression, so performance depends on humidity.
Can evaporative coolers work in humid climates?
They are less effective in humid conditions because evaporation is limited.
Do evaporative coolers require maintenance?
Yes. Pads, water lines, and fans should be cleaned or replaced regularly.
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