Cooling technologies refer to various methods and systems designed to remove heat from a space or substance, maintaining a desired temperature. Common examples include air conditioning units, which cool indoor air, and refrigeration systems, which preserve food and other perishable items. These technologies often use refrigerants to absorb heat and transfer it outside, ensuring comfort and safety in homes and businesses. Another important cooling technology is evaporative cooling, which utilizes the natural process of water evaporation to lower air temperature. This method is energy-efficient and commonly used in dry climates. Additionally, heat exchangers and chillers are employed in industrial applications to manage heat in processes, ensuring optimal performance and equipment longevity.