That s something that should be checked during commissioning though.
Bedroom door ventilation.
The majority of interior doors are slab doors most are hollow but some are solid.
Set a fan near the room s doorway but facing out of the room.
Benjamin you probably don t need to worry about excessive pressures if your only air flow into the bedroom is from the ventilation system.
Insufficient clearance between doors and floors can cause or exacerbate poor ventilation.
What is the purpose of the vent grille over the bedroom door.
In some cases you can restore proper air circulation by installing passive door vents.
Air flows through the vents to balance air pressure between rooms.
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As long as you have a half inch undercut at the door your ventilation air should be able to make it back to the return.
You also can create cross ventilation or airflow by opening a second nearby window such as one in an adjoining room or a room across a hall.