Introduction : Why is the ventilation of your home so important?

     Even if you do not suspect it, the air you breathe is more or less polluted. 

Volatile organic compounds are dangerous for health, it is mainly in paint, varnish... In addition to these compounds we and our daily tasks release moisture into the air of the house creating molds with no ventilation. This is why the law requires to ventilate a house. It is necessary to ventilate the house and avoid the humidity.

 Molds can appear in a house badly ventilated.