Dampness and mold in the house can be a serious issue, leading to unpleasant smells, health concerns, and damage to walls and furniture. To control the humidity level and prevent dampness, consider the following tips:

1. Use a household air dryer: An air dryer can effectively reduce excess moisture in the air and is easy to use.

2. Maintain the ventilation system: Ensure that ventilation holes are not blocked or covered by furniture. Install exhaust ventilation with humidity sensors in areas like the kitchen and bathroom.

3. Avoid hermetically sealed doors and windows: Proper airflow is essential to prevent humidity build-up. Avoid fully sealing doors and windows, as it can trap moisture inside the rooms.

4. Avoid drying laundry indoors: Drying laundry indoors can significantly increase humidity levels. Opt for outdoor drying or use a designated drying area with proper ventilation.

5. Consider anti-condensation plaster and paint: Use anti-condensation plaster on walls to prevent moisture accumulation. In bathrooms and kitchens, choose anti-condensation paint that absorbs moisture in humid conditions and releases it in drier weather.

6. Address existing mold: If you already have mold on the walls, remove it carefully, treat the area with a damp-proofing agent, and then cover with wallpaper or paint.

By taking these preventive measures and addressing existing issues, you can maintain a dry and healthy environment in your home, reducing the risk of dampness and mold growth.