New construction Poroton T7 MW 36.5 without controlled residential ventilation

If my neighbor had one, I would immediately commission an acoustics office with a corresponding sound power measurement

You must have money .... With a heat pump, I could understand that, but the controlled residential ventilation cannot be heard three meters in front of the house anymore. And otherwise only at the air outlet. If it matters, it can also be planned better so that you practically hear nothing anymore. And inside, it can also be designed so that audible sound only occurs at the location of the central unit.

I also deliberately built without [Kontrollierte-Wohnraumlüftung] and support the viewpoint of Knallkörper.

The problem nowadays is, of course, that houses are built much too quickly and moving in happens far too early.

That mold forms without [Kontrollierte-Wohnraumlüftung] when living in a yogurt cup is hardly surprising. Where else should the moisture go.

The problem nowadays is of course that houses are built far too quickly and moving in happens far too early.

That's true, if you let the house stand longer, air pockets form in the interior and exterior plaster (both top and base coat) and in the same spot right through the 36.5 cm exterior wall. The house then breathes through these air pockets. Completely correctly identified. Every time you exhale, you actually create an overpressure in the house, which makes the air whistle through the newly formed holes, and when you inhale, you pull fresh air back into the house. This is also the reason why houses smell musty when no one has been there for a while. No one has been consistently breathing in and out to make the house breathe.

And you definitely wouldn't want this firecracker as a neighbor, oh man.

Did you cognitively process the post correctly? Of course, it makes sense somewhere to properly dry the building before moving in, and over winter this can be done without technical drying. It is often argued energetically "green" (which is far from my own view), but that technical drying, whether using a construction dryer or controlled residential ventilation, requires a lot of energy is often forgotten. What is also often overlooked is that a house without controlled residential ventilation obviously has to be designed very differently from a building physics standpoint. Apparently, you have also been well missioned and live with the conviction that there is only "one" way to build, with a warm roof, vapor barrier, blower door test, to name a few keywords.

So I find this sarcasm at a fourth-grade level very inappropriate.

And no, I don't wish anyone responsible for exceeding noise levels my neighborhood. That’s legitimate.

Certainly, one can build differently... but accordingly, the heating costs are then higher, right? We spoke with some owners of timber frame eco-houses and they mentioned heating costs in the range of 100 € and more. I am happy to be proven wrong - which construction method ensures fresh air without disproportionate ventilation?

What is also often overlooked is that a house without controlled residential ventilation obviously has to be designed completely differently in terms of building physics. Apparently, you too have already been well missionized and live with the conviction that there is only "one" way to build, with warm roof, vapor barrier, blower door test, to name just a few keywords.

There is only one way for VOCs, formaldehyde, 99% of the humidity, CO2, etc. to get from inside to outside – through ventilation. Either you do this 5 times a day for 10 minutes each (and still have worse but acceptable air quality compared to controlled residential ventilation, cold air in winter, no fresh or freezing cold air in the bedroom in winter (and autumn and spring), etc...) or you install a controlled residential ventilation system.

Now you could say, controlled residential ventilation is too expensive for me. If you compare it to almost an hour of ventilation per day, then the time saved should be worth it to you, but whatever. Controlled residential ventilation is too expensive.

But if the quarterly filter change is really too exhausting, then maybe you should give up on the house and so on.
Not to mention, with such an attitude you will never properly ventilate the house manually...