> with advice about insulation. Good insulation only works with good ventilation anyways, the goal of insulation isn't to make an house completely airtight Lo

> with advice about insulation. Good insulation only works with good ventilation anyways, the goal of insulation isn't to make an house completely airtight Look into these things: https://en.wikipedia.org/wiki/Heat_recovery_ventilation https://en.wikipedia.org/wiki/Heat_recovery_ventilation