Suspended Ceiling Return Air Plenum
The space above a ceiling is often used as a return air plenum in many types of commercial buildings meaning exhaust air from the room below is moved from the space through the plenum and then to ductwork leading to the central hvac system.
Suspended ceiling return air plenum. Space between the structural ceiling and the dropped ceiling or under a raised floor is typically considered plenum. The space above the ceiling is not used as a return air plenum. Get it as soon as wed sep 30. Return air plenum box 14x14x10 c box furnace filter box air return.
Only 13 left in stock order soon. The suspended acoustic ceiling and lightweight plenum barrier work together effectively as a system to provide the same amount of sound isolation as the stc rated wall construction below the ceiling level. Finding a viable return air path. In the case of single story malls a return air plenum has the advantage of heating the ceiling space and keep the plumbing pipes from freezing.
This is most common in commercial buildings schools hospitals or libraries. Plenum ceilings use the area between the dropped ceiling and the floor slab above as a return air path but when these dropped ceilings are removed the plenum area is reduced. However some drop ceiling designs create a. Free shipping by amazon.
Dropped ceilings or suspended ceilings are often installed so that the space between them and the floor above or the roof deck can be used as a return air plenum. The plenum barrier extends from the top of the partition to the underside of the floor or roof above blocking the plenum acoustically. With a ducted return you will need more air flow thus larger ducts larger fans etc and you will need much more ceiling space since now you will have supply and return ducts crossing at the ceiling. A plenum space is a part of a building that can facilitate air circulation for heating and air conditioning systems by providing pathways for either heated conditioned or return airflows usually at greater than atmospheric pressure.