A chilled beam is a multifunctional HVAC unit that provides cooling, heating, and ventilation within a single system. When connected to water and air networks, it performs these functions quietly and efficiently. Its low installation height allows for flexible interior design solutions, while the clean, discreet appearance integrates naturally into modern architectural environments. In this in-depth article, we explore how chilled beams work, their main advantages, and their typical applications – providing building owners, designers, operators, and users with a clear foundation for well-informed decisions.