Ventilation system - Noise level dependent on which factors?

Yes, the main contractor from outside the region is indeed, especially because of the subsidiaries, a risky gamble. On the other hand: if the client feels so comfortable with their main contractor and is practically already on the final approach to signing, how sensible is it then to create "uncertainty"?

what does that actually mean

It means that we neither know any architects, nor do we know acquaintances here who could in turn know some. We are not from here ourselves... Since you keep hearing that even an architect can fail, we immediately decided against this consideration. We simply agreed that the prefabricated house manufacturers must know what they are doing given their numbers. Of course, over the past few months we have also uncovered one or two "windbags" and learned something, so we are actually quite sure that this should not be a total disaster now (knock on wood and amen!!). Regarding the question (which house builder will build our dream house well), we also had to take our plot of land into account. Unfortunately, it is not the easiest in terms of access, which is why some (most) were immediately out (two even declined because of that and gave us the cold shoulder), but that is another matter. As mentioned, we really feel very comfortable and now hope that we will not be proven otherwise. But yes, we are well aware of the risk of the distance.

how sensible is a "doubt" at this point?

I almost would have written: "too late". But it’s not as if we don’t know that. To make things more complicated, one of our 4 remaining options lives directly in the neighboring town and really knows everyone and their dog (he knows a company for every topic). Actually, our feeling about him isn’t that great (but not that bad either), even though he also "recreated" our dream house, but he is still in the running because he has known the people for decades. I even jokingly asked whether, if we didn’t choose his company, we could still hire him for such things (after all, he is also an independent sales agent), but unfortunately he declined with a grin...

We also had to include our plot of land in the topic (which home builder will build our dream house and do it well). Unfortunately, it is not the easiest regarding access, which is why some (most) were eliminated immediately (two even declined us for that reason and rejected us), but that's another matter.

And yet you don’t want to show the forum any approaches for qualified help just because the favorite hasn’t revealed the floor plans yet? – especially with pipe-head or alpine plots, you get much further with many creative minds!

... on the phone you don’t see some things that are obvious on the PC.

You mean obviously feminine tomatoes? :D

You obviously mean feminine tomatoes? :D

I forget: I took out my first name :cool:

I'm curious whether the air-to-water heat pump will work out!? I just say "Summer and winter 24° please" :).

Surely the air pump works, why not? But for 24 degrees/365 days you also need an air conditioner.