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Which Direction Should Return Air Vents Face. If the supply ducts are in the floor then the return air should be. When your HVAC system blows air into your home that changes the air pressure inside.
Did you miss your activation. Here are some of their primary benefits. Your Return Vents Are Responsible for Air Pressure.
Pointed up will push all the heat down that has naturaly accumulated in the upper half of the rooms.
Supply air from furnaces and air conditioners should be on outside walls. The outermost portion of the slats should be on the top when positioning return air grills that are located high on side walls. Click to see full answer. Assuming your unit is outside or in your attic you want the arrow to face the unit.