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Can fan coil units and floor heating be combined in the same system?

April 26, 2017coil combined fan floor heating system units

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Can fan coil units and floor heating be combined in the same system?

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Yes, but the leaving water temperature must then be adjusted to match the temperature requirement for the fan coil units. The temperature in the floor loops must be reduced to a suitable level by the use of a mixing valve or shunt connection. The heat pump capacity and COP will decrease with increasing water temperatures.