Chilled Beams

Chilled beams are a type of HVAC (Heating, Ventilation, and Air Conditioning) system used in buildings for cooling and sometimes heating. They consist of units that are typically mounted on the ceiling and use chilled water to cool the air in a room. There are two main types:

Passive Chilled Beams: 

These rely on natural convection. Warm air rises to the ceiling, passes over the chilled beam, and is cooled. The cooler air then falls back down into the room.

Active Chilled Beams:

These incorporate a ventilation system that supplies air to the room. The ventilation air is supplied through nozzles in the beam, inducing room air to pass over the chilled water coils and mix with the supplied air, providing cooling and ventilation.

Chilled beams offer several advantages, including energy efficiency, reduced need for ductwork, and quiet operation. They are commonly used in commercial buildings, such as offices and hospitals, where maintaining a comfortable indoor environment is crucial.

Benefits of Chilled Beams

Various methods of design exist, each possessing their own set of risk and reward. Chilled beam systems can provide several benefits, including:

• Potential reductions in initial costs of equipment and construction material.

• Increase in occupant comfort beyond that which is achievable through traditional systems.

• Space adaptability.

• Energy efficiency.

• Simple operation and maintenance.

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