Return Air Plenum Ceiling

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.

Return air plenum ceiling.

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. 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. Used as a central return vent box filter grill not included.

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. All ceiling boxes are manufactured from the highest of quality galvanized steel. Any large space designated for any type of air flow or routing of systems can be called a 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. Product is knocked down for shipping and must be. Can accept any size collar up to 18 in. 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. 26 5 x 13 75 4 6 out of 5 stars 61 50 99 50. The term plenum could be a large section of ductwork or the upper space above a ceiling. The space providing air is called a supply plenum and the space providing air return is referred to as a return plenum.

Ceiling plenum 0 03 in. 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. 14 5 x 13 75 4 6 out of 5 stars 52 32 99 32. Can be easily cut to size.

However some drop ceiling designs create a.