How To Install A Cold Air Return Floor Grill

Nail a piece of sheet metal onto the back of a stud cavity.

How to install a cold air return floor grill.

The vent cover or grille usually contains a removable filter and is sized to fit between ceiling joists spaced a standard 24. 9 75 x 15 75 4 1 out of 5 stars 731. Warm air rises and the return will direct that air to the cooler. In an air conditioning climate the return duct goes near the ceiling to draw off the hot air and cool it down.

They can be placed into staircase cavities stacked closets that run one on top of the other or in stud cavities in the wall. First building codes in many areas require that the cold air return line gets external insulation and therefore you will need to leave a gap for the insulation around the duct return line. For the system to work you have to re circulate the air back to the furnace. 1 16 of 541 results for floor return air grille 8 x 14 floor grille fixed blades air grill brown outer dimensions.

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. That is why you need a cold air return image 1. If you had no return air in your room you would create a positive pressure. Running a metal cold air return duct between studs requires knowledge of both hvac systems and the components involved in framing.

That would then reduce the flow of conditioned air to that space.