How To Install A Cold Air Return Floor Grille

Size the hole appropriately to the grille size.

How to install a cold air return floor grille.

It differs from a register because it does not have a damper to control airflow. With the right tools you can install a return air duct successfully. Cut a hole low in the drywall where you want to put your return air grille. There are zero return registers upstairs 3 bedrooms and 1 bath.

Instructions step 1 locate where you want your return air ducts. Running a metal cold air return duct between studs requires knowledge of both hvac systems and the components involved in framing. That said i am looking at installing central air before summer hits. Through the hole cut through the floor.

Grilles the function of a grille is to pull air from a room to return it to the heating or cooling system. This should give you a hole into the basement. Thankfully our climate is pretty temperate here. Warm air rises and the return will direct that air to the cooler.

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.