Ceiling outlets for controlled residential ventilation, is that correct?

the nice suggested another plan to me, I'm really glad that I asked here again, don’t worry, he knows what he’s doing!

Thanks also to the others here.

PS: A rotary heat exchanger was recommended to me as the device.

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PS: A rotary heat exchanger was recommended to me as a device.

Why? Because these are particularly maintenance-intensive and tend to break down? Furthermore, also allow an undesirable mixing of exhaust air and supply air and still consume electricity, unlike a conventional cross-flow heat exchanger?

PS: Als Gerät wurde mir ein Rotationswärmetauscher empfohlen.

Has advantages and disadvantages. Rather uncommon, but it can be done. I see it as less critical than Mycraft. More important is that you have a competent ventilation installer.

Had I forgotten to mention, the controlled residential ventilation is also planned for the attic due to space constraints; are there actually any concerns regarding the room, in terms of noise level?

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Why? Because these are particularly maintenance-prone and tend to break down? Furthermore, they also allow an undesirable mixing of exhaust and supply air and still consume electricity compared to a conventional cross heat exchanger?

I think from a technical point of view, it makes more sense if he comments on it ... there were several aspects.

Best regards

I forgot to mention, the controlled residential ventilation is also planned for the attic due to space reasons, are there actually any concerns regarding the room in terms of noise level?

Is the attic heated?

Is the attic heated?

The insulation will be beneath the roof covering.
At first, only the essentials will be done in the attic; later, a room will be created there.