Hello everyone,
I have an additional bedroom in the basement that is used quite often.
The builder installed exhaust air ventilation there, and in the adjacent storage room, they installed supply air.
1. He says this cannot be reversed anymore (the construction is almost finished).
2. He also says it is not a problem that the two rooms have been switched.
Are both of these statements correct? I would appreciate a prompt response, as I have a meeting with him early tomorrow morning.
Thank you very much for your help.
wangry
I have an additional bedroom in the basement that is used quite often.
The builder installed exhaust air ventilation there, and in the adjacent storage room, they installed supply air.
1. He says this cannot be reversed anymore (the construction is almost finished).
2. He also says it is not a problem that the two rooms have been switched.
Are both of these statements correct? I would appreciate a prompt response, as I have a meeting with him early tomorrow morning.
Thank you very much for your help.
wangry
Marvinius II6 Jan 2018 13:08ruppsn schrieb:
I wouldn’t want to rule it out entirely, but as I mentioned before, without knowing the location of the rooms AND the air exchange rate, it’s difficult to assess. One thing: a mechanical ventilation system with heat recovery is not the same as an exhaust fan, meaning the airflow is very low. Especially in a storage room, usually only a minimal air exchange is set. If the entire volume of the storage room is exchanged two to four times per day (which should be sufficient for such a room) and the air mixes through transfer grilles with all surrounding rooms, I would assume that the odor concentration drops quite quickly. It would be more likely if the storage room directly adjoined the bedroom and was the only space transferring air into it. There are just too many ifs for me...
And I’m not saying that this would be acceptable from a planning perspective or that it wouldn’t be considered a defect. I was just trying to calm the original poster down a bit rather than spread hysteria [emoji6].
And if the original poster does actually notice an onion smell in the bedroom, they will need to adjust the use of the storage room accordingly. But that doesn’t make the house unusable or uninhabitable. It’s still annoying, though, because it’s not what was expected.
Speaking of annoying, fortunately, there was no mention of the toilet... [emoji6] The person who asked the question has not yet commented on the size of the relevant rooms. Maybe they could sleep in the storage room and use the previous bedroom as storage instead...
Marvinius II6 Jan 2018 13:12Mycraft schrieb:
Let’s keep the church in the village. KfW, what next? Best case scenario: the building authority shows up and imposes a construction halt...
Isn’t it a bit early for April Fools’ jokes?An April Fools’ joke would be something like "Authority imposes a housing stop due to poor air quality in the bedroom."Marvinius II schrieb:
The person asking the question hasn’t provided any details about the size of the rooms in question. Maybe they could even sleep in the storage room, and the current bedroom could become the storage room....That’s why I said: "There are too many ifs..." because we are purely speculating.
The starting point was:
- Storage room planned: exhaust air, built: supply air
- Secondary (!) bedroom planned: supply air, built: exhaust air
No: toilets, onions, dirty laundry, roommates making a mess – or cats [emoji6]
But I agree with you, without more information it won’t get any easier, and anything could be the case [emoji4]
B
Bieber08156 Jan 2018 13:30ruppsn schrieb:
I agree with you, without more detailed information it won’t be any easier and many things are possibleIn my opinion, everything that can be said has been stated based on the information provided.With knowledge of the ventilation planning (floor plans showing supply and exhaust air points along with airflow rates), details of the ductwork and equipment, as well as awareness of the contractual conditions, the topic could be explored further both technically and legally. Without this information, one can only be guessing in the dark.
Mycraft schrieb:
Let’s not get carried away. KfW, what else? Next, the building authority will probably show up and issue a stop-work order...
Isn’t it a bit early for April Fools’ jokes?Well, for us the KfW inspector actually came after moving in and tested the ventilation system’s airflow rates with a volume flow meter. No joke! And of course, he immediately notices if the airflow is reversed.
If the ventilation system with heat recovery is part of the KfW subsidy (which is almost always the case), your KfW funding is null and void, or you have to meet the KfW requirements in a different way (likely involving a new application and lots of paperwork).
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