Ductwork
Supply Air Duct
Rectangular supply air ductwork
CIBSE Guide B
Extract Air Duct
Rectangular extract air ductwork
CIBSE Guide B
Circular Duct
Circular / spiral ductwork section
CIBSE Guide B
Controls
Volume Control Damper
Manual or motorised air volume control damper
CIBSE Guide B
Fire Damper
Fire-rated damper in ductwork penetrating fire compartment wall
BS EN 15650 / CIBSE
Room Thermostat
Room temperature sensor / thermostat
CIBSE Guide H
Thermostatic Radiator Valve
TRV for individual radiator temperature control
CIBSE / BS EN 215
Terminals
Supply Air Grille
Wall or ceiling mounted supply air grille / diffuser
CIBSE Guide B
Extract Air Grille
Wall or ceiling mounted extract air grille
CIBSE Guide B
Equipment
Air Handling Unit (AHU)
Central air handling unit with filter, coil, and fan sections
CIBSE Guide B
Fan (Axial)
Axial or centrifugal fan
CIBSE Guide B
Heat Exchanger
Plate or cross-flow heat exchanger / heat recovery unit
CIBSE Guide B
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