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Is black smoke coming from a kerosene heater a sign of carbon monoxide?

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  • 2 months ago

    It is a sign of a poor running heater. Possibly the wick is in need of trimming or replacing, or it is extended up too far. Any combustion yields CO. Kerosene heaters should not be used in "tight" buildings.

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  • 2 months ago

    no. dying is a sign of it.

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  • 2 months ago

    Yes it is a sign, there is most certainly CO present when you see smoke, but smoke isn't always visible when CO is being produced. 

    CO and Smoke are results of incomplete combustion. Ash may not visible, but CO can still be present. Also, but probably not with a portable heater,  sometimes ash and CO can get separated, the ash may settle, but the CO can flow into other rooms.

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  • Anonymous
    2 months ago

    No.  Gasoline will give off black smoke too.  Carbon monoxide you do not see...or smell.  Wax candles give off black smoke too.  Light one and then move your fingers through the flame and you will see black smoke.

    Any flame produces carbon monoxide.

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  • 2 months ago

    NO. It is a sign of trouble, but there are NO visible signs of CO.

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  • 2 months ago

    you should assume that such a heater produces carbon monoxide [a poison] all the time when operating, not just when it is smoking. [Smoking suggest a combustion problem ... wick needs adjusting or trimming, insufficient oxygen flow, poor draft, insufficient flow of used air, etc.]

    Source(s): granddad
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  • Droopy
    Lv 5
    2 months ago

    Yes Black smoke means incomplete combustion whih is what creates Carbon monoxide.  Which you know is deadly since your asking this question.   Sounds like you need to service it .  Which should be done before each heating season.  Clean, trim wick replace every couple years.  When we used one we replaced it every year.  There usually less that 20 bucks.

    Not to mention the soot which is what makes that smoke black is gonna settling on everything in your house.

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  • Anonymous
    2 months ago

    Yes:  incomplete, inefficient and wasteful combustion that produces MORE carbon monoxide than usual.  If it's a wick type heater - the wick needs cleaning/trimming and flame/air adjusted.

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  • Anonymous
    2 months ago

    CO is a product during incomplete combustion. It is colorless and odorless.  Call a heating technician.  Burner nozzles could be bad.

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  • Anonymous
    2 months ago

    Carbon monoxide is a colourless and odourless gas. What you see is soot particles (carbon). However anything that burns makes CO. So your heater produces it anyway. Room ventilation is crucial.

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