this post was submitted on 05 Jun 2026
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I just keep my window open. Unless it rains, then it's closed.
Does it help? Normally you need to open windows on (preferably) different sides of the building, otherwise the air hardly moves. If a door closed, the movement is blocked.
Wouldn't it be the same case if you just have the bedroom door open? Like if just the door is open with no windows open.
Not if you have a central ventilation system.
Wouldn't you still get some airflow through convection ?
Also osmosis, regarding the CO2 concentration of the air.