Distance between exhaust air and outdoor air only 2 meters

Also about the controlled residential ventilation. At higher temperatures, it simply no longer works through the heat exchanger. The supply air is passively pre-cooled in the floor and then actively dehumidified and cooled.

Request the execution according to the manufacturer’s specifications.

You can ask for a lot. The small utility room simply doesn’t allow for any other solution. Just direct the airflow and it’s fine.

I agree. No one will die from it. I don't see any structural alternatives, except maybe these [Hauben].

But another question: It says west side - is that also the terrace? I would be more concerned about noise. Especially the exhaust air cannot be described as whisper-quiet.

An alternative (for both problems) would be to at least lead the exhaust air underground away from the building. However, that will be a four-figure amount.

Hi, it is a Viessmann Vitovent 300-W, the following is noted there:

We also have a Viessmann device. The manufacturer nicely documents in a diagram how far apart the outside air and exhaust air should be:



Our planner took this very seriously. The exhaust air is located in a light well in the technical room in the basement, on the north side of the building. We draw outside air via an intake on the upper floor on the east side of the building.

Thank you for your answers, I also have concerns about the "Windstillenecke"! Is the noise level of an exhaust really that bad? Alternatively, I have already considered going out with the exhaust air towards the garage and making a core drill hole in the garage ceiling and then out over the roof.... Do you think that could work?