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.
Bedroom door ventilation.
Insufficient clearance between doors and floors can cause or exacerbate poor ventilation.
Benjamin you probably don t need to worry about excessive pressures if your only air flow into the bedroom is from the ventilation system.
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In some cases you can restore proper air circulation by installing passive door vents.
Friday july 27 2018 it s called a transfer grille and provides an opening from the bedroom to the hallway for air to return back to the air conditioning air handler or furnace when the supply register vent in the ceiling of the bedroom is blowing conditioned air into the room.
That s something that should be checked during commissioning though.
Set a fan near the room s doorway but facing out of the room.
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The majority of interior doors are slab doors most are hollow but some are solid.
Air flows through the vents to balance air pressure between rooms.