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Related question: What's the best way to ventilate an old european house during winter? I've taken up the habit of letting my bedroom windows (slightly) open

Related question: What's the best way to ventilate an old european house during winter? I've taken up the habit of letting my bedroom windows (slightly) open at nighttime to have fresh air while sleeping. I'm unsure this is really wise ecologically since outside air == cold air, but at the same time, there is no other way to get fresh air… Any tip, or, better, professional opinion?

isbn 6y ago
https://www.lunos.de/products-from-lunos/e%C2%B260 https://www.lunos.de/products-from-lunos/e%C2%B260 https://www.youtube.com/watch?v=VuTV_6-igC0 https://www.youtube.com/watch?v=VuTV_6-igC0
- cedex12 6y ago
  That's interesting. Thank you!
KozmoNau7 6y ago
Low tech method: air out heavily for 5-10 minutes, 2-3 times per day, ie. when you get up, when you eat lunch and just before going to bed. Open all windows and all internal doors, really get the air moving. Because you're airing out so intensely for a short period of time, the furniture and walls don't cool down, so the air warms up quickly afterwards.
- cedex12 6y ago
  Good idea, thanks!