The problem comes when you use both heating and air conditioning.
Cold air return floor or ceiling.
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.
You do this and i guarantee you that the second floor is going to be much more comfortable year round.
If the supply ducts are in the floor then the return air should be located up high.
In the summer having the cold air returns near the ceiling is great.
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.
Now in the winter time this system is not very.
If the supply ducts are high or in the ceiling then the return air ducts or grills should be low on.
Find a decorative metal floor register that will match your home or office decor or go with a standard steel grille with white electro coated and powder coated finish.
In an air conditioning climate the return duct goes near the ceiling to draw off the hot air and cool it down.
One other caution is to have the cold air.
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.
They can be placed into staircase cavities stacked closets that run one on top of the other or in stud cavities in the wall.
A return draws air into a return duct system with negative pressure compared to the space usually via a fixed grille but also often called a return vent or a return intake vent or for some of you old school folks from up north the cold air return.
You can find floor registers in a variety of materials styles and finishes so you can incorporate them as a decorative element that also blends.
This pulls the air across your body.
Heat rises and cold air stays close to the floor.
Unlike supply vents return vents do not need to be cased in metal.
One way 10 6 ceiling register.
If you are in the far north or in the southern us the answer is simple.
The return air vent openings need to be on the opposite side of the room so the conditioned air is pulled across the room.
Registers these typically slatted covers are found in the floor wall or ceiling and their defining feature is a lever that allows you to open or close the air vent to adjust airflow into the space.
The air flows across the ceiling in the hallway towards a larger cold air return that does extend to the basement furnace.
In a heating climate the return duct goes near the floor to draw off the cold air and heat it up.
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.