The CoolMasterNet Universal HVAC Bridge is a device designed to integrate various VRF (Variable Refrigerant Flow) and VRV (Variable Refrigerant Volume) HVAC systems from different brands into home automation or building management systems. This bridge supports major HVAC brands like Daikin, Mitsubishi, LG, and Toshiba. It facilitates remote control and monitoring of HVAC systems via mobile apps, voice assistants, or centralized control systems. The device connects easily through protocols like RS232, RS485, Ethernet, and KNX, offering a plug-and-play installation process. It also provides real-time diagnostics and system performance monitoring.