Cold Air Return Duct Board

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Cold air return duct board. They can be placed into staircase cavities stacked closets that run one on top of the other or in stud cavities in the wall. Remove existing ductwork where needed. The return air vent openings need to be on the opposite side of the room so the conditioned air is pulled across the room. Item 1790033 model 1790033.

If the air duct isn t long enough it is possible to add extra length. A cold air return duct connects to a floor or wall return register and circulates air from each room back to a furnace for reheating. If the supply ducts are in the floor then the return air should be located up high. Can accept any size collar up to 18 in.

Cold air returns are sized 1 5 times above the supply capacity to prevent negative pressure in the system. This pulls the air across your body. Do not return air from bathrooms and kitchens. Can be easily cut to size.

If the supply ducts are high or in the ceiling then the return air ducts or grills should be low on. Attach a second air duct to the first by peeling back the insulation. Unlike supply vents return vents do not need to be cased in metal. Metal and flexible ductwork need to be sealed to guarantee that it is reasonably air tight for maximum efficiency use an approved foil tape or duct sealant.

Used as a central return vent box filter grill not included. You can build ducts from rigid foam board to serve as the distribution system to circulate heated or cooled air in your house. Flexible duct can be installed in place of galvanized pipe in many applications if allowed by your local hvac codes. Run the new flexible air duct under the house from the floor return to the underside of the air handler and attach to the metal vent box or plenum image 1.

Menards offers a wide range of ductwork pipe and fittings to help your ductwork systems run efficiently these products are used for warm air return supply and exhaust systems. Acceptable duct materials include galvanized steel aluminum fiberglass duct board and flexible duct. Recognized and acceptable duct materials should be used for all hvac airways. 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.

You can run a return made out of duct board instead of sheet. Lambro rigiflex 4 in x 96 in aluminum semi rigid flexible duct. The return vent pulls cold air from the bottom of the room and returns it to the furnace to be reheated and returned as warm air. Building cavity space alone should not be used as a supply or return air pathway.