Where should air return vent be located?
Return air vents are generally located near the center of the homes. Older and newer homes often have one register per floor, but homes built from 1960-1990 may have a cold return air vent in each room.
Should return air vents be high or low?
In general, all of the house hot air outlets should be equal in size to all of the cold air returns, to keep the system balanced and air flowing smoothly. Because we cut the basement return down a bit, we usually make the returns on the highest story a bit larger.
Do you need a return vent in every room?
While it is a myth that air return grilles are required in each and every room in the house, it is definitely necessary to have more than one of these grilles installed at strategic places in the house. The most important place to have these would be the bedroom.
Can you have too much return air?
No, an air return cannot be too big, except in extreme cases where a closed room is temporarily under negative air pressure. Return vents maintain air pressure, filter out debris, and are critical to the efficient operation of any HVAC system.
Can a house have too many return air vents?
Can air return too big?
How big should return air vents be?
16 inches by 20 inches
A typical return vent is 16 inches by 20 inches, according to Hunker. It includes the cold return air duct grille.
Can HVAC have too much return air?
Where is the HVAC return air duct in a house?
An HVAC return air duct should be in every room except a bathroom and kitchen. They should be on interior walls across the room from the supply ducts. The red arrow points to a large wall-mounted hvac return-air vent. The furnace or air handler is probably on the other side of the wall behind that door.
Where do you find extra return air in a furnace?
We find extra return air openings having been cut in the return plenum right at the air handler unit at a combination air conditioning and hot air heating furnace or at an attic or basement air conditioning-only air handler.
Can an HVAC return air vent be in the floor?
An HVAC return air can be in the floor, but they work much better on walls up about 7 feet. It’s best to put them on an interior wall across the room from the supply duct. © 2018 Tim Carter
What does return air mean on a thermostat?
Air Registers Located Outside the Room (return air) mean that if the room door is closed and not under-cut, both heating and cooling capacity in that room will be reduced. (See sketch above)