How is plenum size determined?
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Also know, how does a plenum work?
A supply plenum works by taking in the new cool or warm air from the heater or air conditioning system and, in turn, distribute it throughout the building using the HVAC's ductwork. A return plenum takes in that used air and, using the ductwork, sends it back to the core HVAC system.
Secondly, what is plenum box in HVAC? A plenum is an air-distribution box attached directly to the supply outlet of the HVAC equipment that heats or cools the air to make the house comfortable. The ductwork that distributes the heated or cooled air to individual rooms of the house connects to the plenum.
Herein, what is the difference between a plenum and a duct?
As nouns the difference between duct and plenum is that duct is a pipe, tube or canal which carries air or liquid from one place to another while plenum is (physics) a space that is completely filled with matter.
What is a plenum ceiling?
In building construction, a plenum (pronounced PLEH-nuhm, from Latin meaning full) is a separate space provided for air circulation for heating, ventilation, and air-conditioning (sometimes referred to as HVAC) and typically provided in the space between the structural ceiling and a drop-down ceiling.