Natural Ventilation
It is best to guard against damp with the natural ventilation way and the best time is the afternoon. Meanwhile, when the weather is cloudy or even the rain, you’d better close the south door and windows so as to reduce the entrance of moisture. At the noon, the moisture in the air outside is at the maximum so that it is not right to open the windows. When the climate is relatively dry afternoon or at the dusk, it is the best time to open windows to adjust the air humidity indoor.

Make use of lime
In daily life, you can make use of lime to prevent moist, especially under the cloudy days or rain days. You can use cloth bag or gunny-bag to store unslaked lime and then place them at all the corners at home. By this way, the air indoor would be dry.

Make use of air conditioning
It is more easy to make use of air conditioning to dry the home. However, if the electric power is limited in some seasons, it is recommended to use other ways such as that ones introduced above to guard against damp so as to save the energy.