A Fan Coil Unit (FCU) is a device that uses a coil and a fan to heat or cool a room without connecting to ductwork. Indoor air moves over the coil, which heats or cools the air before pushing it back out into the room. 

The key advantage of using FCU is it's cheaper cost compared to ducted systems. Also, the FCU's are available in ceiling, floor mounted and freestanding configurations. 

Fan Coil Units mainly have two categories i.e. blow through and draw through. As the names suggest in blow through FCU's the fans are fitted such that they blow air through the heat exchanger and in draw through FCU's fans are fitted after the coil such that they draw air through it. 

Draw Through FCU's are considered thermally superior since they make better use of the heat exchanger but they are expensive as they require a chassis to hold the fans.

Cove.tool supports FCUs with:
a.  Water Cooled Chiller / Electric Boiler
b. Ground Source Heat Pump.
c. Air Cooled Chiller / Gas Boiler.

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