What is Fan Coil Unit FanCoilUnit(fcu) is the core end equipment of the central air-conditioning system, which regulates the indoor temperature through hot and cold water circulation, and is widely used in hotels, office buildings and residences. Its high efficiency and energy saving, flexible installation features make it the first choice for modern building HVAC … پڑھنا جاری رکھیں The Ultimate Guide to Fan Coil Units