Is a central ventilation system absolutely necessary?

Hello,

Proof can also be provided just as easily with a decentralized solution.

Apparently, this hasn't become well known everywhere yet.

Decentralized controlled residential ventilation can be described as "half-pregnant." Not very efficient, often problems with noise levels and/or condensation. Whether you really want something like that in the bedroom is something to consider.

Half-pregnant – did that really have to be said?

Always assuming a decentralized system is properly installed and is not a cheap system, a builder should not expect any problems. From my point of view – as always – it’s a matter of weighing the pros and cons of each choice; the magic solution does not exist even with ventilation systems.

Rhenish regards

my opinion: never again without....

We were also skeptical, but by now we are firmly convinced of its effectiveness. Of course, you can manage without it, but if you want it comfortable, you should think carefully....

and the cleaning argument is pointless.... Exhaust air is protected by filters, and everything that comes in from outside only passes through the filter....
Anyone who maintains their filters and is careful about it has nothing to fear if the system was installed correctly.

If you ever have to have it cleaned, technically it's no problem. Costs a few euros, but then you have peace for another 10-15 years.

Come on, construction expert, let's leave it at that... I also know that YOU love decentralized systems, but even there, so many mistakes can be made... especially the thousand holes in the exterior walls, which are necessary for them, become wonderful thermal bridges if not done properly... and we know how that usually goes...

I just say PU foam is the best friend of many craftsmen...

wow, I really hit a sore spot there but thanks for all the answers, now we can get a better picture.

: Holes in exterior walls are not necessary. Moreover, the argument "You can do a lot wrong there!" applies to any type of technical system and does not help here. As predicted, this discussion quickly turns into a kind of holy war. Bring me popcorn!!

Hello,

Come on, construction expert, let it be... I also know that YOU like decentralized systems, but even there you can do so much wrong... especially the thousand holes in the exterior walls that are necessary for it become wonderful thermal bridges if not done properly... and we all know how that goes...

What I find good or not plays no role here at all. For me, it is solely about not demonizing a system that does not deserve it.

And on one thing we hopefully agree: any system that is not installed properly is rubbish.

I’m just saying PU foam is the best friend of many craftsmen...

And quick-setting cement with the kitchen builders... this list can be continued indefinitely

Rhenish greetings