alt Hacker NewsIn Ireland all the rooms came with a substantial hole in the wall, mandated in case you decided to put something like a kerosene heater in your room, although the heating was electical. I generally had to block them off to stop the wind whistling through.
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rsynnott • yesterday at 5:03 PM
That's more for ventilation to prevent damp etc (Ireland has humidity issues). Modern houses typically have MVHR instead.
Right - I think it was to handle Carbon monoxide (and general ventilation). If you look at part F here I think current regs are 6500 square mm for most rooms https://www.seai.ie/sites/default/files/publications/Domesti...
(TBF Irish standards have gotten much better for airtightness)