Open cooling towers

The primary function of a cooling tower is to remove heat from a system and dissipate it into the atmosphere, thereby cooling water or another process fluid that can be recirculated through the system.

Cooling towers are essential components in many industrial processes, power generation, and HVAC systems for buildings. They serve the following key functions.

Key cooling tower functions

  • Heat Dissipation: Cooling towers transfer heat from industrial processes, power generation cycles, or building cooling systems to the environment. This is achieved through the evaporation of water, which absorbs significant amounts of heat from the system being cooled.
  • Water Conservation: By allowing the cooled water to be recirculated back into the system, cooling towers help in conserving water. This is particularly important in industries or areas where water is scarce or expensive or for industries that would like to meet water saving goals.
  • Energy Efficiency: Cooling towers enhance the energy efficiency of cooling systems by providing a cost-effective and energy-efficient means of removing heat. Compared to other cooling methods that might require more energy input, evaporative cooling used in cooling towers generally has a lower operating cost.
  • Process Efficiency: In industrial applications, maintaining optimal temperature is crucial for process efficiency and product quality. Cooling towers play a critical role in regulating the temperature of process fluids, thereby ensuring that industrial processes run at their desired efficiency and output levels.
  • Environmental Impact Reduction: By enabling the reuse of cooling water, cooling towers reduce the demand for fresh water and help in minimizing the environmental impact associated with water extraction and treatment.

In summary, the function of a cooling tower is to efficiently remove and dissipate unwanted heat from a process or building to the atmosphere, facilitating water and energy conservation, and ensuring the efficient operation of cooling systems.


Consult BAC's cooling tower experts to find out more on how cooling towers can meet your cooling needs.