Furnace Cold Air Return Duct

If the supply ducts are in the floor then the return air should be located up high.

Furnace cold air return duct.

A furnace return system must collect all the air being put out by that system. In addition its flexibility allows for easier installation in hard to reach areas. This pulls the air across your body. If you had no return air in your room you would create a positive pressure.

That would then reduce the flow of conditioned air to that space. Flexible duct can be installed in place of galvanized pipe in many applications if allowed by your local hvac codes. 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. Product is knocked down for shipping and must be assembled.

It is important to understand the space that you re heating. Supply air from furnaces and air conditioners should be on outside walls. The return vent pulls. 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.

For the system to work you have to re circulate the air back to the furnace. 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. Examine your home heating system. An insufficient return system or one too large will reduce the efficiency of the heating and increase energy bills.

The return air vent openings need to be on the opposite side of the room so the conditioned air is pulled across the room. Place your cold air return vents on the inside walls of buildings at the lowest point. Can be easily cut to size. Used as a central return vent box filter grill not included.

The output of air.