How does an Evaporative Air Cooler Chiller work?

An Evaporative Air Cooler Chiller, also known as a "water-cooled air conditioner" or "environmentally friendly air conditioner", is a device that uses the principle of water evaporation heat absorption to reduce air temperature. When hot air passes through a moist evaporative medium, the water evaporates and absorbs heat from the air, thereby reducing the air temperature. This process does not require the compressor refrigeration of a traditional air conditioner, so it consumes less energy and is more energy-saving and environmentally friendly.

The core of evaporative cooling is the evaporative heat absorption effect of water. When liquid water evaporates and turns into water vapor, it absorbs heat from the surrounding environment, thereby reducing the air temperature. At standard atmospheric pressure, evaporating 1 gram of water can absorb approximately 2260 joules of heat. Therefore, the evaporative cooler can effectively reduce the temperature of the blown air through the continuous water evaporation process, and is suitable for hot and dry environments.

The operation of an Evaporative Air Cooler Chiller can be divided into four key steps: first, the fan draws the external hot air into the machine; second, the water pump delivers the water in the water tank to the top of the wet curtain to keep it moist; then, when the hot air passes through the wet curtain, the water evaporates and absorbs heat to lower the air temperature; finally, the cooled cold air is blown out by the fan to achieve the cooling effect. The whole process does not require refrigerant, relying only on water circulation and natural evaporation, so it is more energy-saving and environmentally friendly.

The Evaporative Air Cooler Chiller is mainly composed of components such as wet curtains, water tanks, water pumps, fans and control panels. The wet curtain, as an evaporation medium, provides a large area of ​​water evaporation surface to enhance the heat exchange efficiency; the water tank stores cooling water, usually with a capacity of 50 liters; the water pump is responsible for delivering water from the water tank to the top of the wet curtain to ensure continuous moistening; the fan is used to inhale hot air and blow out cold air, usually supporting multiple wind speed adjustments; the control panel provides wind speed adjustment, timer switch and other functions for user convenience.

There are significant differences between Evaporative Air Cooler Chillers and traditional air conditioners in terms of refrigeration principles, energy consumption, humidity effects and applicable environments. Evaporative coolers use water evaporation to absorb heat, with low energy consumption (such as 250W), but will increase air humidity, suitable for dry areas; while traditional air conditioners rely on refrigerant compression cycles, with high energy consumption, but will reduce air humidity, suitable for various climate environments. Therefore, evaporative coolers are more suitable for well-ventilated dry and hot areas, while traditional air conditioners are more suitable for high-precision temperature control needs in confined spaces.

Evaporative Air Cooler Chillers are widely used in homes, offices, industrial plants, warehouses, and outdoor places. In homes and offices, it can provide energy-saving cooling and is suitable for well-ventilated environments; in industrial plants and warehouses, its low cost and large-area cooling characteristics make it an ideal choice; in outdoor places, such as night markets or open-air restaurants, it can effectively improve the local ambient temperature when used with a water cooling system.