VIDEO: Steamed up windows in winter

During the cold season it can happen that one or the other window is fogged up. This happens when cold air meets warm air. This is especially noticeable when cooking or after you have showered. However, if you have really soaking wet windows, something may be wrong with the windows or the construction of the house. You should definitely have this examined, because molds can form from it very quickly, which are extremely hazardous to health.

First measures for misted windows not only in winter

• Ventilation Do it regularly, even if it is sometimes difficult in winter. Three times a day for about 15 minutes is enough. When doing this, you shouldn't tilt the windows, but rather open them completely so that all of the room air can be completely exchanged for fresh outside air.
• Make sure to activate the heating after ventilating, so that the exchanged air can heat up again.
• Ventilation before going to bed is very important, because at night you will greatly enrich the air with the exhaled moisture. The room air is only able to absorb the amount of moisture when its saturation level has not yet been reached.
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• Heat your home properly. There should be around 20-22 degrees in each room, otherwise the walls can cool down.


Fogged up windows - adjust the heating correctly

If you have fogged windows in your apartment in winter, this is above all a ...

• dry Do you do laundry in the apartment? This can also cause your windows to fog up. Then ensure adequate ventilation or, if possible, hang your laundry in a drying room.
• If you have very old windows or even old aluminum frames, this is a deficiency that should definitely be addressed. Many old windows are poorly insulated and let too much cold through.
• Here you should definitely inform your landlord or consult a specialist. This deficiency must be remedied.

• Keep your room temperature as constant as possible. If you do not want to keep all rooms at the same temperature, you should separate the cooler rooms from the warmer ones with closed doors.

In many cases the window panes in the apartment are steamed up due to misconduct on the part of the residents, but often they are seated humidity also in the cool outer walls. Here you cannot do anything against the moisture yourself. In these cases, renovation must be carried out.

The landlord must be informed if the windows are steamed up

• Inform your landlord in writing about the deficiencies and set a deadline in which the deficiencies should be remedied.
• You are entitled to a rent reduction if you have fogged windows all winter.
• However, you can get advice from a lawyer or a tenant protection association if you are unsure about tenancy law. Since it could also be a case for a court of law, you definitely need legal assistance.

Additional author: Claudia Ollmann