How To Install A Cold Air Return Floor Grille

It differs from a register because it does not have a damper to control airflow. That said i am looking at installing central air before summer hits. Grilles the function of a grille is to pull air from a room to return it to the heating or cooling system.

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There are zero return registers upstairs 3 bedrooms and 1 bath.

How to install a cold air return floor grille.

The main floor has 3 supply and 3 return registers all on the floor but the supply is interior and returns are under windows along the exterior. Through the hole cut through the floor. Warm air rises and the return will direct that air to the cooler. Running a metal cold air return duct between studs requires knowledge of both hvac systems and the components involved in framing.

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. Cut a hole low in the drywall where you want to put your return air grille. Thankfully our climate is pretty temperate here. Homes will either have multiple small grilles throughout or a single large grille installed in either ceilings or walls.

This should give you a hole into the basement. With the right tools you can install a return air duct successfully. Instructions step 1 locate where you want your return air ducts. The vent cover or grille usually contains a removable filter and is sized to fit between ceiling joists spaced a standard 24.

Size the hole appropriately to the grille size.