关键词：HVAC；控制系统；HVAC设备；降低能耗；提高性能
摘 要：HVAC control systems are required to efficiently manage HVAC equipment. They help in reducing energy consumption and enhance the performance of an HVAC unit. There are various types of HVAC control systems including sensors, field devices, floor-level controllers, and building-level controllers. These HVAC control systems are used in the Commercial and Residential sectors worldwide.