If the supply ducts are high or in the ceiling then the return air ducts or grills should be low on a wall.
Cold air return duct board.
This house is in a cold climate.
Place your cold air return vents on the inside walls of buildings at the lowest point.
The stack effect i e warm air rising is stronger in cold climates and taller houses.
Used as a central return vent box filter grill not included.
In addition its flexibility allows for easier installation in hard to reach areas.
This pulls the air across your body.
These cardboard ducts are in the basement with two stories above.
You can run a return made out of duct board instead of sheet.
Acceptable duct materials include galvanized steel aluminum fiberglass duct board and flexible duct.
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 assembled.
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.
Can be easily cut to size.
Can accept any size collar up to 18 in.
Fiberglass construction with fsk backing for increased durability.
You can build ducts from rigid foam board to serve as the distribution system to circulate heated or cooled air in your house.
If the supply ducts are in the floor then the return air should be located up high.
In this house the cardboard panned joist return ducts are all inside the building envelope but that doesn t mean there won t be any problems.
Unlike supply vents return vents do not need to be cased in metal.
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.
Building cavity space alone should not be used as a supply or return air pathway.
Cut this duct board to size and use it to build your own hvac fittings or trunk duct and then assemble it with fiberglass weave and mastic or duct board approved duct tape for a convenient solution to your ducting problems.
Flexible duct can be installed in place of galvanized pipe in many applications if allowed by your local hvac codes.
The return air vent openings need to be on the opposite side of the room so the conditioned air is pulled across the room.