A fan coil unit (FCU) is an HVAC device that uses a fan and a heating/cooling coil to condition air in a specific zone. It circulates room air over a water or refrigerant coil and returns the conditioned air back into the space. FCUs can be ducted or ductless and are common in hotels, offices, and multi-zone buildings.
/fæn kɔɪl ˈjuːnɪt/
A fan coil unit (FCU) is an HVAC device that uses a fan and a heating/cooling coil to condition air in a specific zone. It circulates room air over a water or refrigerant coil and returns the conditioned air back into the space. FCUs can be ducted or ductless and are common in hotels, offices, and multi-zone buildings.
What does a fan coil unit do?
It circulates room air over a heating or cooling coil to condition a specific zone.
Source: The Cooling Company
FCUs deliver zone-level heating and cooling.
In a hotel, each room has its own fan coil unit so guests can adjust temperature without affecting other rooms.
Clean filters and coils regularly to maintain airflow, efficiency, and indoor air quality.
“Clean filters and coils regularly to maintain airflow, efficiency, and indoor air quality.”
Fan coil units are widely used because they allow simple, cost-effective zoning.
Do fan coil units need ductwork?
Not always. Many FCUs are ductless, while others use short duct runs.
What’s the difference between two-pipe and four-pipe FCUs?
Two-pipe systems switch between heating and cooling; four-pipe can heat and cool at the same time.
Do FCUs handle ventilation?
Most do not. They recirculate indoor air and need separate ventilation for fresh air.
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