Return Air Plenum Ceiling

However some drop ceiling designs create a.

Return air plenum ceiling.

26 5 x 13 75 4 6 out of 5 stars 61 50 99 50. Can be easily cut to size. Space between the structural ceiling and the dropped ceiling or under a raised floor is typically considered plenum. Any large space designated for any type of air flow or routing of systems can be called a plenum.

The term plenum could be a large section of ductwork or the upper space above a ceiling. 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. 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 space providing air is called a supply plenum and the space providing air return is referred to as a return plenum.

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. Ceiling boxes from the duct shop are the perfect fitting to use when you need to put a register in the ceiling to supply air into your room. Ceiling plenum 0 03 in. Used as a central return vent box filter grill not included.

All ceiling boxes are manufactured from the highest of quality galvanized steel. Product is knocked down for shipping and must be. 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. Of thumb for sizing various return air transfer assem blies are shown in table 1.

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. 12 x 12 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. Sizes listed are the box opening first and second then the round size third.

24 x 12 steel return air filter grille for 1 filter fixed hinged ceiling recommended hvac duct cover flat stamped face white outer dimensions.