Cold Air Return Duct Frame

Can be easily cut to size.
Cold air return duct frame. 4001 mark iv parkway fort worth tx 76106 phone. Can accept any size collar up to 18 in. Because cavity spaces are leaky building pressure imbalances across the building envelope will occur driving air infiltration into the building. Used as a central return vent box filter grill not included.
The master flow cold air frame is used in a heating and air conditioning system to provide the transition from the wall duct chase to a wall grille. The return air vent openings need to be on the opposite side of the room so the conditioned air is pulled across the room. When cavity spaces are used as return air pathways or supply air ducts a few issues will arise. A furnace return system must collect all the air being put out by that system.
21 75w x 31 75h 4 4 out of 5 stars 256 60 99 60. An insufficient return system or one too large will reduce the efficiency of the heating and increase energy bills. This cold air frame can either attached to the studs with nails or screws. This product is installed before the drywall goes in.
A cavity space used as a return air pathway will pull pollutants into the building from unknown sources. 20 x 30 steel return air filter grille for 1 filter removable face door hvac duct cover flat stamped face white outer dimensions. It is assembled with 1 8 zinc coated rivets. Installs before the drywall is installed.
This product is proudly made in the usa using galvanized steel construction for durability and rust prevention. The tabs provide an easy install. It provides the transition from the wall duct chase to a wall grille. 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.
This cold air frame does not have tabs. Wall grille not included. Running a metal cold air return duct between studs requires knowledge of both hvac systems and the components involved in framing. First building codes in many areas require that the cold air return line gets external insulation and therefore you will need to leave a gap for the insulation around the duct return line.
If the supply ducts are high or in the ceiling then the return air ducts or grills should be low on. This pulls the air across your body. It can be installed directly onto the wall studs before the drywall is installed to save time and ensure correct placement. If the furnace is putting out 1 000 cubic feet per minute of air flow the return system must collect 1 000 cubic feet and take it back to the unit.
Product is knocked down for shipping and must be.