An air-mixing plenum (or mixing box) is used in building services engineering and HVAC construction for mixing air from different ductwork systems. == Usage == Air streams are mixed to save energy and improve energy efficiency by partially recirculating conditioned air.
An air-mixing plenum (or mixing box) is used in building services engineering and HVAC construction for mixing air from different ductwork systems. == Usage == Air streams are mixed to save energy and improve energy efficiency by partially recirculating conditioned air.
Source: Wikipedia "Air-mixing plenum" · CC BY-SA 4.0
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