When Should You Open the Windows in the Winter? This is the Best Time to Air Your House!

4 min


It could appear that opening a window is all that’s needed to air out a room. The specifics of how we go about this and for how long we leave the window open will, of course, be determined by the weather and other environmental factors outside.

If you leave your windows open for too long during the winter, the room will lose heat and you’ll have to use more energy to maintain the same level of comfort. However, if we air the rooms incorrectly during the summer, the temperature may rise to an uncomfortable level.

So, how should we adjust the ventilation depending on the season? Our article provides useful tips on how to do so.

Effective Ventilation in Winter

It’s important to remember that we have to follow certain procedures if we want to air out our rooms in the winter, especially if the temperature drops below zero. When done incorrectly, heat escapes, driving up heating bills. What should we do about heating and cooling the rooms? For some easy tips, read on.

Open your windows wide

Ventilate quickly and deeply. By opening the windows wide, we speed up the air exchange and keep the room from getting too cool. During the colder months of the year, we just need to open the windows for around 5 minutes to let in enough of fresh air.

Avoid draughts

In the summer, this is a good idea, but in the winter, it can cause the walls and floor to cool down too much.

Turn down the thermostat before letting in fresh air through an open window

Thermoelectric actuators are becoming increasingly commonplace on radiators, allowing you to keep the room at a constant, pleasant temperature. When we open a window, the heating system may operate at full capacity. If the radiator is turned on, the room will heat up, but the air will quickly cool down again because of the open window. Therefore, it is recommended that the thermostat be adjusted to a lower temperature during ventilation. We can also control the temperature of thermoelectric actuators wirelessly using devices like WiFi 8S or ST-8S.

Close the doors between rooms that have different thermostat settings during ventilation

This will keep warm, humid air from condensing in cooler rooms.

Make sure to heat and ventilate unused rooms

It’s more likely that mold will grow on the walls and ceiling of an unheated room because of how rapidly they cool. However, it is wasteful to pay to heat rooms that aren’t occupied as frequently as the one where we sleep every night. So, in this case, the best thing to do is put an electric actuator on the radiator and lower the temperature by a few degrees compared to the other rooms.


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