Reflex essential, ventilate your home in order to renewindoor air. Even though CMVs are useful, they just ventilate, not aerate. Proper ventilation has several actions: it fights against the appearance of mold and the proliferation of mites, removes bad odors and chemical pollutants, and reduces the contagious risk of infectious diseases in winter.
In practice: we ventilate for 10 to 15 minutes morning and evening, in all seasons, by opening the windows wide. It is also ventilated after activities which cause a lot of humidity (bathing, showering, cooking, washing, drying clothes) or which cause VOC emissions (cleaning, work, installation of new furniture).
10, This is the number of minutes during which to leave the windows wide open to renew the air in the room and evacuate pollutants and humidity.
