<p>Here A fan coil unit is a simple part of heating, ventilation and air conditioning system that are found in almost all residential, industrial and commercial buildings. It is a simple device that comprises of a heating and a cooling heat exchange that can also be called as coil and fan. Fan coil units are standalone systems that circulate the existing air in a space. fan coil controller the most common piping arrangements in hydroponic systems for heating and cooling are<strong> two-pipe and four-pipe systems</strong>. The two or four-pipe designation refers to the water distribution system serving the climate control equipment in a building. A fan coil unit is a relatively small piece of equipment that consists of a fan, a coil, and other components, that are used to cool or heat the air recirculating within a room. Some will also add fresh air to the space. The units are quite common and can be found in most commercial or residential applications. for more details of <strong>fan coil unit piping system</strong> download this file .</p>