Cold Air Return Duct Installation

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.

Cold air return duct installation.

Measure the centerline of the ductwork from the nearest parallel wall with a tape measure. And this is just one of the reasons that the return ducts need to be installed directly across from the supply vents. To explain the components of a forced air system. The best use of the perfect balance is in existing homes where you don t have returns in the bedrooms and can t or don t want to install jumper ducts or transfer grilles.

If the pressure in the bedroom with the door closed and the air handler running is higher than 3 pa this is a great way to retrofit a return air pathway. A cold duct can be put between the studs in your wall. A fan draws air from the house into the system through return. Go into the basement and locate the holes.

Cut a hole low in the drywall where you want to put your return air. Mark the center point for the takeoff and drill a pilot hole using the cutting bit in the hole cutter. When installed in this fashion it will allow the system to suck the air throughout the entire room. In a corner of a room.

Check building codes to see if external insulation is required. The return air vent openings need to be on the opposite side of the room so the conditioned air is pulled across the room. This pulls the air across your body. Locate where you want your return air ducts.

Install an air supply line and a cold air return step 1. Work from the farthest hole back and install return air panning back. If the supply ducts are high or in the ceiling then the return air ducts or grills should be low on a wall. Place a mark on the floor in front of the wall that you need to run the ductwork through measuring from the same wall that you used for.

Remove existing ductwork where needed. If the air duct isn t long enough it is possible to add extra length. 5 best places to install the cold air return for a duct system. How to install a cold air return duct between studs.