A cooling tower is a large, mechanical device that is used to remove heat from a building or industrial process by transferring it to the atmosphere through the process of evaporative cooling. Cooling towers work by passing water over a heat exchanger, where the heat is transferred to the water, which then flows through the tower and is sprayed or dripped over a surface. As the water flows over the surface, it evaporates, taking the heat with it and leaving cooler water behind. The cooler water is then recirculated back to the heat exchanger to absorb more heat. Cooling towers are used in a variety of applications, including air conditioning systems, power plants, and industrial processes that generate heat. There are different types of cooling towers available, including natural draft, forced draft, and induced draft cooling towers, each with its own unique design and functionality. Proper maintenance and cleaning of cooling towers are essential to ensure their efficiency and longevity.