Our house has a full cellar with the above solution done 20 years ago. Not a spec of humidity in there. Here's a concept sketch: https://isodran.se/uploads/6d9

Our house has a full cellar with the above solution done 20 years ago. Not a spec of humidity in there. Here's a concept sketch: https://isodran.se/uploads/6d9bc8cf5f18260f6fa65d828eeb69b8.png https://isodran.se/uploads/6d9bc8cf5f18260f6fa65d828eeb69b8....