Return Air Plenum Ceiling

Of thumb for sizing various return air transfer assem blies are shown in table 1.

Return air plenum ceiling. A return air plenum is the ducting that is attached to a furnace for that return air to flow through and is used as a central manifold for other return air ducting. Item 523684 model rab17rab17. 20 x 14 steel return air filter grille for 1 filter fixed hinged ceiling recommended hvac duct cover flat stamped face white outer dimensions. This is most common in commercial buildings schools hospitals or libraries.

Hamilton 20 5 in x 17 5 in x 28 in return air box assembly duct plenum. Any large space designated for any type of air flow or routing of systems can be called a plenum. Space between the structural ceiling and the dropped ceiling or under a raised floor is typically considered plenum. Watch as a pro quickly assembles the return air plenum and shows you how to do the same.

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. 22 5 x 15 75 4 6 out of 5 stars 67 46 99 46. Your order will also include alpine s exclusive free instructional video on dvd. The return air drop assembly is designed for the return air drop assembly is designed for up flow applications with side mount assembly and includes an exterior easy to access filter rack for a 1 in.

Maintaining a low pressure drop return air path from conditioned spaces to the air handler can be a challenge using architectural plenums when spaces are divided by figure 1 figure 2typical pressures. 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. However some drop ceiling designs create a. The assembly is constructed of 26 gauge sheet metal and the knock down design makes it easy to handle and assemble in the field.