VIDEO: Lowering the humidity in rooms
Causes of high humidity in rooms
Thermal insulation and better, denser window have meant that an exchange of room air hardly takes place on its own and many thermal insulation in houses effectively prevent that humidity can diffuse through the walls to the outside. So you have to actively lower the humidity in rooms.
- Misunderstood economy to reduce heating costs also leads to high humidity in rooms. There is little or no ventilation, some rooms are not heated or only heated for a few hours a day. Since cold air can absorb less moisture than warm air, it comes as soon as the warm air cools, to an increase in the relative humidity and to damp precipitation at the Exterior walls.
- If you open the door between an unheated and a heated room, you will hardly lower the humidity in the heated room, but In the cold room this increases by leaps and bounds because the warm air entering there cools down and the moisture in the cold room spreads.
- Basements are often ventilated in summer to save money, but not in winter. In this way, you do not lower the humidity in basement rooms, but increase it because the warm air brings a lot of moisture into the basement.
This is how you lower the humidity in rooms
- Try never to let the rooms cool down too much. It makes no sense to let rooms cool down completely during the day in order to heat them up in the evening. Never let the rooms cool down below 18 degrees and you will reduce the relative humidity considerably.
- Ventilate several times a day with the window wide open. The moist warm air has to go out, cool dry air in. Do not let the room cool down, so do not ventilate the room for more than 10 minutes. The furniture and walls should stay warm. So only the air has to be heated up.
- In basement rooms you always ventilate when it is colder outside than inside. So in summer evenings and early mornings, in the midday heat, the window stays closed. How to lower the humidity in the basement.
- Remember to ventilate thoroughly immediately after doing something that has released a lot of water into the air of rooms. So after cooking and bathing, it is imperative that you ventilate thoroughly.
- Avoid anything that unnecessarily brings moisture into rooms. dry You wet clothing ideally outside of rooms and take a look at where the exhaust air dryer blows its moisture. Sometimes the hose is outside, but the moist, warm air can still penetrate the rooms. This is bad if you want to lower the humidity of the room air.
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Dry the rooms with tools
- Chemical dehumidifiers usually only help to a limited extent; at best they are suitable for providing dry air in small rooms. For one, this can devices usually take very little water out of the air, on the other hand, the circulation of the air in rooms is not sufficient to dehumidify all the room air. Usually you only lower the humidity in the area around the dehumidifier.
- With electric dehumidifiers you have to differentiate between devices that use the air in the rooms in a similar way to conventional dehumidifiers chemical granules dehumidify and those that really reduce the humidity in the room air effectively according to the principle of a refrigerator reduce.
- Devices that only dehumidify the humidity via granules are hardly better than the usual granulate devices if you place a fan in front of them. Dehumidifiers, which extract water from the room air by cooling, are much better, but also more expensive to buy and maintain.
It is still best if you check the humidity in rooms Ventilation reduce.
