Drop Ceiling Return Air Plenum

In acoustical applications the area above the insulation may serve as a return air plenum.

Drop ceiling return air plenum.

Can be easily cut to size. 24 w x 24 h steel return air grilles sidewall and ceiling hvac duct cover white outer dimensions. The air conditioning system supplies heated or cooled conditioned air through ducts in the above ceiling or attic space and this air comes into the room through a device called a register vent or diffuser. Space between the structural ceiling and the dropped ceiling or under a raised floor is typically considered plenum.

Most traditional overhead air distribution systems continue to utilize the ceiling plenum as a return air path. 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. The duct board return air box is an r6 the duct board return air box is an r6 insulated box that installs traditionally in a ceiling. However some drop ceiling designs create a tight seal that does not allow for airflow and therefore may not be considered a plenum air handling.

Currently moving 2720 cfm on an 8 5 ton rtu. Flex was used for ra ducts and is not equal area to original return plenum. Insulation placed on top of a suspended ceiling at a fl oor to ceiling partition helps reduce the transfer of sound over the partition between offi ces. 24 x 24 return filter grille for drop ceiling uses 20 x 20 filter easy access door latch to filter heating vents.

Can accept any size collar up to 18 in. Product is knocked down for shipping and must be assembled. This is most common in commercial buildings schools hospitals or libraries. Single story building and is fairly well sealed.

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. Concrete slab ceiling above drop ceiling which is around 20 of store floor space and contacts only one 4 block exterior wall. 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. 25 75 w x 25 75 h 4 1 out of 5 stars 116.