Cold Air Return In Floor Or Wall

If you could see the air come out of the floor registers you d see it be pulled across and up through the room.

Cold air return in floor or wall.

Supply air from furnaces and air conditioners should be on outside walls. In a heating climate the return duct goes near the floor to draw off the cold air and heat it up. Because your body is in this path way you get the benefit of either hot air or cold air being drawn across your skin providing you comfort. However in one location there is a heat duct within 5 feet of the return air vent both at the floor.

In most homes the builders will use the wall cavity as a cold air return. The return air vent openings need to be on the opposite side of the room so the conditioned air is pulled across the room. He claims that this method pulls the heat down from the ceiling and warms the room. Homes will either have multiple small grilles throughout or a single large grille installed in either ceilings or walls.

He installed the return air vents in the wall cavity but they are only 1 inch above the floor. Step 2 place your cold air return vents on the inside walls of buildings at the lowest point. If you are in the far north or in the southern us the answer is simple. This pulls the air across your body.

Heat rises to the top the cold air return is then pulling the coldest air in the room to the furnace this negative air pressure brings the hot air down and gives the room a more consistent temp. In the picture you can see the cold air return close to the ceiling. Ceiling or wall grate for return air intake or heat vents. If the supply ducts are in the floor then the return air should be located up high.

2 1 4 x 10 overall size 3 1 2 x 12 cast iron grill without damper zm ir 210 3 0 out of 5 stars 1. By putting the cold air return on the floor it will vacuum up the cold air on the floor and draw down the warm air from the ceiling. Unlike supply vents return vents do not need to be cased in metal. So turn the cold air return 90 degrees through the wall so that it actually draws the air from the room next to the furnace room or from the hallway of the basement.

It differs from a register because it does not have a damper to control airflow. That means the space between two wall studs. A cold air return is for cold air other wise it would be called just a return. I feel he put in the minimum return air vents.

The supply vents should be in the floor and the cold air return grilles are high on wall. In an air conditioning climate the return duct goes near the ceiling to draw off the hot air and cool it down. If you have this type of air return system in your home then you can have a vent at the ceiling and at the floor. The problem comes when you use both heating and air conditioning.