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I won’t go into detail about the causes; there could be many. I’ll highlight the simplest reasons why windows fog up in winter:
High indoor humidity,
low ambient temperature
, a wide windowsill that prevents warm air from reaching the window,
and a cluttered windowsill (e.g., with flower pots), which prevents warm air from circulating towards the windows.
And now for the most important thing: how to get rid of condensation on plastic windows.
My method is as follows: As soon as I notice my windows starting to fog up, I open a window in the room wide open for 3 to 5 minutes. If the room is large and has several windows, open all the windows.
And close the door. If time permits, you can leave it for 7-10 minutes.
During this time, all the moisture has time to escape outside, but the room does not become too cold, even if there is severe frost outside.
Then I close the window and open the door – warm air enters the room, the room temperature increases (equalizes) and there is no condensation.
It’s basically ventilation. But you have to do it exactly as I described—the PVC window installer explained this method to me.
In the kitchen, when I cook, I always turn on the hood and open the window slightly – this way there will be less humidity.
Generally, the problem of window fogging is quite serious. Condensation is the cause of mold formation and windows freezing in winter.
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