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.
Cold air return filter direction.
Assuming your unit is outside or in your attic you want the arrow to face the unit.
The best way to improve the efficiency of your return air vents is to check your furnace filter.
Furnace filters should be changed every 6 months anyway.
Enhance your home s air with this 10 in.
If the supply ducts are high or in the ceiling then the return air ducts or grills should be low on a wall.
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.
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.
True blue cold air return filter pad.
Let s make this simpler though.
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.
Before closing the cover vacuum or wipe off the grill that holds the filter in place.
It is made with electrostatic charge that captures sub micron airborne allergens such as dust pollen pet dander dirt and smoke.
Have more questions about plumbing projects around your home.
The arrows on any air filter need to point in the same direction the air is flowing.
The return air vent openings need to be on the opposite side of the room so the conditioned air is pulled across the room.
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.
Make the arrows face the ceiling or wall.
Vent filters can be added to your hvac system at two locations.
When you install a new air filter into the ac return duct the arrows face inward to specify which way the air is flowing.
How can you ensure that you install your air filter in the correct direction.
If your filter is on the ceiling the arrow should face the ceiling.
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.
If the filter is too old it is probably reducing the efficiency of your return vents and you should change it.
Open the return cover and remove the old filter.
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.