A chiller HVAC system is an essential part of modern air conditioning and cooling systems. It works by removing heat from the air or water and transferring it to a different location, keeping spaces cool and comfortable. In large buildings, factories, or data centers, chillers are used to control the temperature by circulating chilled water through pipes or air systems. The cooling process involves the chiller removing heat from the indoor air, and then cooling water or refrigerant is sent back to continue the cycle.

There are two main types of chillers: air-cooled and water-cooled. Air-cooled chillers use the air around them to cool the refrigerant, while water-cooled chillers use water from an external cooling tower to dissipate the heat. Both types are used based on the cooling needs and the available resources, with water-cooled chillers being more energy-efficient in large-scale applications but requiring more setup and maintenance. Air-cooled chillers are more common in smaller buildings and less demanding cooling environments.

Chillers play a crucial role in maintaining energy efficiency and comfort. They help to regulate indoor temperatures while also controlling humidity levels, making them important not just for cooling but for improving air quality and preventing equipment overheating. Regular maintenance and proper system design are necessary to keep chillers running efficiently and extend their lifespan, ensuring that they continue to provide reliable cooling in various settings.