Furnace Cold Air Return Duct

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.

Furnace cold air return duct.

If you had no return air in your room you would create a positive pressure. Supply air from furnaces and air conditioners should be on outside walls. The location of cold air return vents step 1. That would then reduce the flow of conditioned air to that space.

For the system to work you have to re circulate the air back to the furnace. Flexible duct can be installed in place of galvanized pipe in many applications if allowed by your local hvac codes. This pulls the air across your body. The return air vent openings need to be on the opposite side of the room so the conditioned air is pulled across the room.

The return vent pulls. The output of air. Used as a central return vent box filter grill not included. If the supply ducts are in the floor then the return air should be located up high.

A furnace return system must collect all the air being put out by that system. Place your cold air return vents on the inside walls of buildings at the lowest point. Can be easily cut to size. In addition its flexibility allows for easier installation in hard to reach areas.

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. It is important to understand the space that you re heating. An insufficient return system or one too large will reduce the efficiency of the heating and increase energy bills. 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.

Can accept any size collar up to 18 in.