Air Coolers

Air coolers utilize the natural process of evaporation to cool the surrounding air.
Water is pumped from a reservoir to a cooling pad or media, typically made of cellulose or synthetic materials.
The cooling pad becomes saturated with water.
A fan draws warm air from the environment through the wet cooling pad.
As the air passes through the moist pad, the water evaporates, absorbing heat from the air and lowering its temperature.
The cooled air is then circulated back into the room.
Components:

Water tank or reservoir: Stores water for evaporation.
Cooling pad or media: Absorbs water and facilitates evaporation.
Fan: Draws warm air through the wet cooling pad and circulates cooled air into the room.
Pump: Circulates water from the reservoir to the cooling pad.
Control panel: Allows users to adjust settings such as fan speed and water pump operation.
Wheels or casters: Enable easy mobility of the air cooler from one location to another.
Some advanced models may include additional features such as remote control, timer settings, and humidity control.
Advantages:

Energy efficient: Air coolers consume less energy compared to traditional air conditioning units, making them cost-effective to operate.
Environmentally friendly: Air coolers use water and air as cooling agents, without relying on harmful refrigerants.
Provides fresh air: Air coolers continuously circulate air, which can help improve indoor air quality by filtering out dust and allergens.
Suitable for dry climates: Air coolers are most effective in hot and dry climates where humidity levels are low. They work best in well-ventilated areas.
Limitations:

Effectiveness in humid climates: Air coolers may be less effective in humid environments where the air already contains high levels of moisture.
Limited cooling range: Air coolers are typically suitable for cooling smaller to medium-sized areas and may not be as effective in larger spaces.
Regular maintenance required: Cooling pads need to be cleaned and replaced periodically to maintain optimal performance and prevent the buildup of mineral deposits.
Applications:

Residential use: Air coolers are commonly used in homes, particularly in regions with hot and dry climates.
Commercial use: They are also utilized in commercial spaces such as offices, workshops, warehouses, and outdoor areas like patios and decks.
Industrial use: Larger industrial air coolers are used in factories, manufacturing plants, and agricultural settings to provide cooling and ventilation.
Air coolers offer an energy-efficient and environmentally friendly alternative to traditional air conditioning systems, particularly in regions with hot and dry climates. They provide effective cooling while also improving indoor air quality. However, their performance may vary depending on factors such as humidity levels and the size of the area being cooled.