Hi all.
Looking at my Manual J and there is one room in my house with a very low load. Per the Manual J, it only requires 5 CFM for cooling.
The room is a bathroom, and right now it does have a 6” square supply grille in it. It seems to get quite a bit of airflow, because during the summer it’s always the coolest room in the house. It’s also directly below the blower.
My question is, for a room/rooms like this with a super low CFM needed, does this room need any supply at all? Or can it get its supply from outside the room with the door simply being ajar?
Looking at my Manual J and there is one room in my house with a very low load. Per the Manual J, it only requires 5 CFM for cooling.
The room is a bathroom, and right now it does have a 6” square supply grille in it. It seems to get quite a bit of airflow, because during the summer it’s always the coolest room in the house. It’s also directly below the blower.
My question is, for a room/rooms like this with a super low CFM needed, does this room need any supply at all? Or can it get its supply from outside the room with the door simply being ajar?
source https://hvac-talk.com/vbb/showthread.php?2222603-Rooms-with-very-low-load&goto=newpost
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