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Another more direct, fast and effective way to ventilate the house in winter is to open all the windows of the house at the same time and turn on the draft.
To do this, open the doors of the house one by one and let the air pass through. In this way you will be able to completely purify the atmosphere of your home and eliminate all possible toxins from it.
Of course, with this option you will be colder, so you can take advantage of some time when there is no one at home for several minutes in a row. Make sure no one is home getting out of the shower and that the heating is not on.
It is a good practice to do in the hottest part of the day. Take advantage of the moments of winter sun to open the windows and ventilate the house. Although if you prefer, do it in the morning so you don't have to turn the heating off and on.
If your system is central, the heat will have been turned off during the night, so you can take advantage of these minutes before it turns on again to ventilate the apartment properly.
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