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Need help sleuthing cause of weird smell

Posted by newbiegardener101 (My Page) on
Sat, Jul 26, 14 at 10:28

I have tried everything I can think of and have not been able to determine the cause of a strange odor in the home we are renting. I'm hoping that with all the others on these forums, someone will be able to shed some light on what the cause of this odor is or on what type of expert I could hire to determine the cause. Details below:

We moved into this house in the late fall and never noticed any odors until the weather warmed up to over 60 or so. The odor is very hard to describe. It's something you smell at the back of your nose, if that makes sense. It has sort of a chemical smell to it, unpleasant, a little bit rotten. We've ruled out things like a gas leak, a sewer leak, a dead animal rotting somewhere, mold, garbage disposal, and rotting fruits or vegetables since it doesn't smell like any of those distinct smells. It doesn't seem to be related to the heating/AC system since running those things doesn't have any impact on the strength of the smell.

The house is a tri-level. Den and two entryways on the bottom level, kitchen and living room on the main level, and bedrooms on the top level. Flooring in the den and upstairs is carpet. Flooring on the main level is hardwood. Unfinished partial basement underneath the main level.

The odor is always very noticeable in the morning when the windows on the lower level have been closed for the night. It is strongest in the kitchen and in the lower level (entryways and den). There doesn't seem to be any one spot that smells especially strong (like a kitchen cupboard or the flooring on the stairs, etc.). It's a more generalized smell and you definitely notice it when you walk into that area but can't pinpoint exactly where. The basement doesn't have that odor, even when the main floor does. In the morning, I open all the windows and air the house out and the smell fades. It is then very mild or nonexistant until the next morning when it is once again strong.

The landlords (who are also the previous residents) said they never had an issue with odors when they lived here. They came over to smell it themselves and weren't able to shed any light on what it could be. I do think they are being honest, based on their actions and character so far. When the landlords bought the house, it had been used for low income housing and was a dump. However, it's been over six years since the house was cleaned and renovated and I don't think anything would linger that long and suddenly start causing an odor 6 years later.

I'd like to hire some sort of inspector to look at things but I'm not sure who could help with this. A gas guy would only have the tools to detect a gas leak. A mold guy would only be able to detect mold. Is there anyone who could detect a range of smells? We have looked at the pipes in the basement and don't notice anything amiss there.

I'm very concerned about what is causing this odor because it's so unusual and I worry that it could be harmful. We haven't been experiencing any symptoms that might be related to the odor but I do worry about what it could be doing to us long term. Moving out is something we will do eventually but can't do right now. Any ideas you can offer would be very much appreciated! Thank you!


Follow-Up Postings:

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RE: Need help sleuthing cause of weird smell

Any new construction, like cabinets/paneling/sheet rock?

A couple of years ago, sheetrock was in short supply, resulting in domestic suppliers importing Chinese made sheetrock---huge mistake because of the formaldehyde off gassing.

Some MDF/similar sheeting used for cabinets can also off gas formaldehyde.


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RE: Need help sleuthing cause of weird smell

Could be a number of things ranging from a sewer leak, dead animal in the crawl space or wall to a dead body that had not been discovered for awhile.

A landlord here is is some serious trouble for not informing a new tenet that a man died in a house and was not discovered for 15 to 20 days. Even thou he went through the process of having the house cleaned and sanitized and it sat empty for nearly six months. The smell is still noticeable.


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RE: Need help sleuthing cause of weird smell

http://ths.gardenweb.com/forums/load/disaster/msg0511092410993.html?59


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RE: Need help sleuthing cause of weird smell

Thank you everyone for your input. I'm considering every suggestion that I've received.

Handymac, there hasn't been any new construction/repairs since we moved in. The previous residents (the owners) did install hardwood flooring as well as cabinets from Ikea. However, that was over two years ago so I would think that any offgassing would have diminished by now. Also, I imagine offgassing would be pretty consistent and not come and go like the smell we are experiencing.

airqual_guy, thank you for this thread. I read the entire thing. The smell we have cannot be described as "fishy." I'll still check the outlets and electrical though.

Any other ideas or people with similar experiences?


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