Why should you ventilate your house?

Whatever the season, airing your health home is an essential gesture. In fact, indoor air is generally more polluted than outdoor air, pollution which can have unfortunate consequences on our health.

Interview 1/5: air pollution is omnipresent We are constantly faced with an invisible and insidious threat: air pollution. Philippe Hubert, director of chronic risks at Ineris (National Institute for the Industrial Environment and Risks), explains the causes and describes the standards for air pollution.

Our furniture, our walls, our carpets, our carpets, our Windows in PVC or our clothes broadcast daily volatile organic compounds ((VOC) in L'air of our interior. Of harmful substances may also come from cigarettes we smoke or household products that we use.

Confined and poorly ventilated environments tend to concentrate all these pollutants, which constitute factors of irritation of the upper respiratory tract or increase the risk of infections.

How long to ventilate your house?

To avoid an increase in relative humidity, the appearance of molds, spores of mushrooms or else the retention ofallergens or from polluting chemicals, doctors recommend ventilating your health home between 15 and 30 minutes a day. It is better to do this in several stages, at the beginning or at the end of the day, at the hours when the outdoor pollution is the lowest.

Including thewinter. TheEnvironment and Energy Management Agency ensures that opening several windows of his health home a few minutes a day, heater off, allows both to sanitize theair interior and not to waste too much heat, or even improve the heating efficiency by bringing in less humid air.

Ventilate after cooking, DIY, a shower, cleaning …

If the ventilation of the house must be daily, it must also be done in certain specific situations:

  • after a session of DIY or work – elimination of dust and possible chemicals;

  • after a shower or cleaning – elimination of the humidity overflow;

  • after cooking, to remove bad smells.

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