Closed cooling towers are specialized systems used to remove heat from industrial processes or buildings. They operate by circulating water through a closed loop, where it absorbs heat from the equipment or environment. This heated water is then cooled in the tower before being recirculated, ensuring efficient temperature control. These towers differ from open cooling towers, as they do not expose the water to the atmosphere, reducing the risk of contamination. Closed cooling towers are often used in applications like power plants, manufacturing facilities, and HVAC systems, providing a reliable method for maintaining optimal operating temperatures.