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gerald65
Moss Bluff, LA
Member since Jul 2020
10 posts

re: One room not cooling...tips?
If adjusting any dampeners does not correct the cooling problem, then it sounds like you need to cut a little off the bottom of the door to allow more return air and lower the "pressure" in that room.

quote:

Need around 1" between flooring and door bottom.


But, I would suggest try cutting 1/2 inch first and see if that solves the problem. If not cut a little more.


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GEAUXT
USA Fan
Member since Nov 2007
26671 posts

re: One room not cooling...tips?
Is the room west facing or above a garage?

We have 3 separate units and the above garage room will still get up to 80 this time of year


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awestruck
Auburn Fan
Member since Jan 2015
5954 posts

re: One room not cooling...tips?
quote:

quote:


When the door is open, it’s able to stay pretty cool but when the door is closed for a longer period then it warms up.

The door is too close to the flooring if this is the case. The air from the room is not getting back to the return air so it creates a pocket of trapped air that creates pressure not allowing air to flow from the vent. That is why it cools when the door is open, no pressure pushing back. You need to cut the bottom of the door off. Need around 1" between flooring and door bottom.


My 1st thought. You can try barely opening door and see if it helps. Just hold it open with something small like a pencil while keeping it pushed to.


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