ᐅ Rental Apartment – Uncertainty Regarding Installed Decentralized Ventilation Systems
Created on: 18 May 2024 10:25
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fabianrHello everyone,
We are currently interested in renting an apartment in a newly built property. During the viewing, we noticed “slots” above the windows (see attached photos showing both interior and exterior views). According to the owner, these are decentralized ventilation units. The heating system includes a heat pump located outside the building. The owner hasn’t provided more information so far, so I would appreciate an assessment here.
From my research, I have only found decentralized ventilation systems that have either a rectangular or round shape on both the inside and outside walls. However, in our case, only these “slots” are visible from the inside and nothing can be seen from the outside. It almost seems like these are not decentralized ventilation units at all, which could mean that the owner himself is not exactly sure what was installed in this new building. Naturally, that raises some concerns.
I know that a single photo isn’t much to go on, but unfortunately, this is all we have at the moment. Perhaps someone in this forum can still identify what kind of ventilation system (or whatever it might be) this is? For example, we are also wondering if there is a summer bypass integrated and whether we could control the ventilation ourselves to avoid warm air being blown into the apartment during the summer.
We look forward to any feedback. Thanks in advance and best regards!
We are currently interested in renting an apartment in a newly built property. During the viewing, we noticed “slots” above the windows (see attached photos showing both interior and exterior views). According to the owner, these are decentralized ventilation units. The heating system includes a heat pump located outside the building. The owner hasn’t provided more information so far, so I would appreciate an assessment here.
From my research, I have only found decentralized ventilation systems that have either a rectangular or round shape on both the inside and outside walls. However, in our case, only these “slots” are visible from the inside and nothing can be seen from the outside. It almost seems like these are not decentralized ventilation units at all, which could mean that the owner himself is not exactly sure what was installed in this new building. Naturally, that raises some concerns.
I know that a single photo isn’t much to go on, but unfortunately, this is all we have at the moment. Perhaps someone in this forum can still identify what kind of ventilation system (or whatever it might be) this is? For example, we are also wondering if there is a summer bypass integrated and whether we could control the ventilation ourselves to avoid warm air being blown into the apartment during the summer.
We look forward to any feedback. Thanks in advance and best regards!
For me, this is a window ventilator integrated into the exterior shutter box, similar to a window rebate ventilator. There will be one or two exhaust fans somewhere in the apartment. This is the cheapest solution to ensure a minimum air exchange without user intervention.
fabianr schrieb:
Hello hanse987, thanks for your feedback. Would you also assume that no heat recovery is integrated and the airflow is not controllable? That’s what he wrote, yes. I agree with that.
Ventilation is ensured, but there is no additional technical comfort.
However, I don’t see that as necessary in a rental apartment or investment property either. Tenants usually don’t want to pay for such an investment.
You won’t notice anything negative from the "ventilation," just like with window rebate ventilation.
The house is a low-energy building with triple-glazed windows. Installing ventilation systems that allow uncontrolled cold air to enter the home in winter somehow doesn’t fit with this concept. We will try to get more information from the owner.
Thank you very much for the responses 🙂
Thank you very much for the responses 🙂
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