Evaporative Cooling

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Evaporative Cooling

Evaporative cooling systems work by making use of the atmosphere’s free latent energy. Water from the mains supply is brought into a cooler, pumped to the top and then dispersed over pads in a continuous flow, saturating them.

Once the pads are saturated, air is drawn through them. As the water in the pads evaporates, it draws latent heat from the air and cools the air flow. This cool air is distributed around a building via ducts and cools the building using axial fans.

Evaporative cooling is very energy-efficient and can use up to 85 per cent less energy than an air-conditioning unit providing the same cooling effect. A relatively low air-flow rate is required to keep the system running, while the energy consumption by the fans can be minimized using a control system.

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