Proper ventilation – How professionals ventilate

Especially in the cold season, it is important that you regularly ventilate all rooms in the apartment or house. This contributes to your well-being and comfort, at the same time, fresh air increases your ability to concentrate. The fresh air can absorb more moisture, preventing mold from forming on the walls. Especially if you do not have a ventilation system that takes care of ventilation automatically, you should use the following tips from Raumklimaplus for ventilation.

Ventilate properly and save energy

Actually, proper ventilation seems like child’s play: you open your windows and let fresh air into the room. But it is not quite that simple. If you ventilate incorrectly, you risk unpleasant consequences, lack of concentration is only one of them. For example, if the windows are tilted all day long and thus constantly let fresh air into the room, the heat also disappears directly through the open window in the cold season. This costs money unnecessarily and harms the environment. After all, more heating is needed to keep the comfort and well-being inside. If the windows remain closed all day to save energy, the humidity quickly becomes too high. This settles on the cold areas of the masonry. If walls are permanently damp, mold will eventually start growing. This is not only a problem for allergy sufferers. Well-being and comfort are gone and the ability to concentrate is significantly reduced. If new buildings are well insulated, mold growth can quickly become a health problem without adequate ventilation.

Ventilate at least twice a day for indoor climate bonus

Twice a day you should ventilate at least daily to ensure your well-being and comfort. In the rooms where the most moisture is generated, such as the bathroom, kitchen or bedroom, you may even open the window wide three times a day for room climate bonus. When airing, crack the windows wide open and open windows facing each other at the same time. The warm and humid air is quickly replaced by fresh air during this cross-ventilation. If you are ventilating a whole house, open the windows on different floors and take advantage of the natural chimney effect: the warm, moist air rises upwards and is drawn out of the open windows there. On the other hand, if you tilt the window sashes and leave them like this for a long time, the room will cool down properly in the cold season. If cold walls have to be heated up again, this costs considerably more. In addition, the air exchange through tilted windows takes much longer than with cross-ventilation.

Pay attention to the humidity

As soon as the humidity in a room exceeds 60 percent, you should ventilate. A hygrometer helps with the indoor climate plus it measures the humidity in the room. Five to ten minutes of cross-ventilation is often enough for your ability to concentrate to rise again. If the temperature outside is below freezing, cross-ventilation should last for five minutes, if it is ten degrees above zero, it can be ten minutes. If it is warmer than ten degrees outside, cross-ventilation is also allowed for a quarter of an hour. If fresh air for room climate plus in the room, the comfort and well-being increases, as well as the ability to concentrate.

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