Return Air Plenum Ceiling

14 5 x 13 75 4 6 out of 5 stars 52 32 99 32.

Return air plenum ceiling.

All ceiling boxes are manufactured from the highest of quality galvanized steel. Sizes listed are the box opening first and second then the round size third. Any large space designated for any type of air flow or routing of systems can be called a plenum. Can be easily cut to size.

This is most common in commercial buildings schools hospitals or libraries. Product is knocked down for shipping and must be. The term plenum could be a large section of ductwork or the upper space above a ceiling. 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.

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. 24 x 12 steel return air filter grille for 1 filter fixed hinged ceiling recommended hvac duct cover flat stamped face white outer dimensions. Space between the structural ceiling and the dropped ceiling or under a raised floor is typically considered plenum. Can accept any size collar up to 18 in.

Of thumb for sizing various return air transfer assem blies are shown in table 1. The space providing air is called a supply plenum and the space providing air return is referred to as a return plenum. 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. 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.

Used as a central return vent box filter grill not included. 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. However some drop ceiling designs create a. 26 5 x 13 75 4 6 out of 5 stars 61 50 99 50.

Ceiling plenum 0 03 in.