Yes. Helios Controlled Residential Ventilation 340 D is installed. Experience? I like my controlled residential ventilation. Since it is the first one and I don’t know anyone else who has one, I naturally have no points of comparison.
But I have the feeling that it does what it is supposed to do and that the indoor climate is better than it used to be in the apartment. We were on vacation for a week recently and were surprised at how fresh the air in the house was when we came back.
In terms of space, I think ceiling installation is great! I would never have used that space anyway.
