Does not work at all. In Finland we have disastrous situation with pre-90's "Bottle"-houses with air-tight insulation. Not enough circulation and dangerous mildew blooms.
All this lower 50's German crap about heat pumps and heat exchanges does not make much sense. Once again. Not a surprise.
All this lower 50's German crap about heat pumps and heat exchanges does not make much sense. Once again. Not a surprise.