Different heights at the finished floor

Maybe a stupid question, no idea, but especially in times of [Kontrollierte-Wohnraumlüftung´s], wouldn't it whistle through the remaining openings and gaps at the tightly sealed doors if the air has to "squeeze through" there? In the bathroom, for example, there would be negative pressure due to extraction and in the bedrooms, positive pressure?

Maybe a stupid question, no idea, but especially in times of controlled residential ventilation systems, wouldn't it whistle through the remaining openings and gaps at the mostly airtight doors if the air has to "squeeze through" there?
In the bathroom, for example, there would be negative pressure due to extraction and in the bedrooms positive pressure?

That’s why such rooms get supply and exhaust air, other rooms have slots in the doors.

Maybe a stupid question, no idea, but especially in times of controlled residential ventilation, wouldn't it whistle through the remaining openings and gaps at the possibly tight doors when the air has to "squeeze through" there?
In the bathroom, for example, a negative pressure would arise due to extraction and in the bedrooms a positive pressure?

The question is not stupid at all.

The doors should/can indeed have a small gap in connection with controlled residential ventilation. That works perfectly.

Whistling would not occur even with tight doors, because the air flows of the controlled residential ventilation are very calm and moderate. At least with a normal air exchange rate of 0.4/h.

Best regards
Thorsten

We had to cut the doors at the bottom so that the required air circulation (zentrale WRL) can take place at all.

We had to cut off the bottom of our doors so that the necessary air circulation (central mechanical ventilation with heat recovery) can take place at all.

Exactly, we also have about a 1cm gap and even there you can feel a slight draft when holding your hand in front of it. Supply and exhaust air in EVERY room I have never seen :confused:

Exactly, with us there is also about a 1cm gap and even there you can feel a slight draft when you hold your hand in front of it. I have never seen supply and exhaust air in EVERY room :confused:

I did not mean every room, only the soundproofed ones, otherwise the soundproofing is pointless.