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Question DetailsAsked on 4/7/2018

Who do we contact to find source of exhaust-like odor in upstairs bedroom?

Have a similar situation. Moved to this lovely townhouse 3 months ago. Replaced entire heating system. Forced electric hot air . No oil or gas. Since we moved in there is an exhaust- odor in the second floor bedroom. Odor lessens when i put on ceiling fan. Odor increases when air comes through ceiling vent; odor lingers in room and only leaves. When window is wide open; as though the smell is "stuck" in room as it is the highest point in the living space of house. Had all air system ducts professionally checked/cleaned/ vacuumed yesterday. Nothing unusual found and odor still present. Concerned about breathing in fume. But can not locate the source of the problem. Who do we call for air testing? How do we find source of problem? Any advice?

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Use process of elimination - 1) tape over ducts for a few days to rule them out (be sure to leave bedroom door open at night if sleeping in there to ensure some fresh airflow 2) check any electrical transformer for overheating - in track lights or other low voltage lights, any electronic device like TV or clock or such, chargers for electronic devices. Try unplugging EVERYTHING in the room for a few days or moving it to other rooms to see if that stops it or smell migrates with devices - electronic devices overheating is commonly the cause of this sort of smell. 3) check bedding and pillows and such for possible burnt smell from dryer, from plastic/polyester componetns getting old and changing odor, or from body oils penetrating bedding/mattress pad/pillows and causing odd odors. 4) if out of winter conditions, try shutting off HVAC system for a few days or at least for a night to see if the odor goes away (with ducts uncovered, of course). 5) any new furnishings, bedding, clothing, shoes, etc which might be outgassing and concentrating in that room.


Answered 2 years ago by LCD

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