Cold Air Return Filter Direction

True blue cold air return filter pad.

Cold air return filter direction.

If the supply ducts are high or in the ceiling then the return air ducts or grills should be low on a wall. Assuming your unit is outside or in your attic you want the arrow to face the unit. Let s make this simpler though. These arrows should be pointing in the direction that air flows through your system which is away from the supply ducts and typically toward the blower.

Furnace filters should be changed every 6 months anyway. The return air vent openings need to be on the opposite side of the room so the conditioned air is pulled across the room. Before closing the cover vacuum or wipe off the grill that holds the filter in place. This pulls the air across your body.

The arrows on any air filter need to point in the same direction the air is flowing. Open the return cover and remove the old filter. Make the arrows face the ceiling or wall. Then replace it with a new one that is sized to fit the opening being sure to orient it so the airflow arrow is pointing in toward the ductwork.

How can you ensure that you install your air filter in the correct direction. If the filter is too old it is probably reducing the efficiency of your return vents and you should change it. Vent filters can be added to your hvac system at two locations. Have more questions about plumbing projects around your home.

A cold air return is a vent that sucks cold air into a furnace so that it can be heated and brought back to a room through a furnace register. Professionals tend to recommend a return duct filter more often than a supply duct filter but some believe no vent filter is the best scenario for any hvac system because of increased air resistance. Enhance your home s air with this 10 in. When you install a new air filter into the ac return duct the arrows face inward to specify which way the air is flowing.

If the supply ducts are in the floor then the return air should be located up high. These vents are seen in many types of furnace systems although there are alternatives such as drawing air from the outside or from the area around the furnace. The return duct or the supply duct. Air filters have arrows printed on the sides of them that show you which way they are supposed to be installed.

Once you ve figured out the correct direction you can simply look at the old filter s arrows before you install your new filter and make sure. It is made with electrostatic charge that captures sub micron airborne allergens such as dust pollen pet dander dirt and smoke.