Morning After - Carbon Monoxide Issues

BeccaG Posted By BeccaG, Feb 5, 2019 at 11:53 AM

  1. BeccaG

    BeccaG
    New Member 2.
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    Feb 5, 2019
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    Loc:
    New York
    Hello all, we recently moved into a new home which was outfitted with a wood burning stove in the unheated basement. At night, an hour or so before bed we will open the air intake fully to burn any additional logs and coals as best as possible. In the morning, irregardless of whether the air intake is open or closed, we will get low levels of CO in the basement. Not enough to set off the alarm, but still a cause for major concern.

    My gut tells me that as the stove temp dies down, the draft begins to downdraft when the boiler kicks on. There are still small coals burning and creating our CO condition.

    We plan on installing an outside air vent and duct to the near the boiler to help alleviate the need for the boiler to pull down the stove chimney.

    As your fires die down over night and the heat is not enough to induce a draft, are your stoves tight enough to keep any harmful gases in the stove and not allow leakage back into the space?

    We have had the boiler looked and the fire department surveyed and said everything was fine, but I am hoping to get some insight from you folks. In the meantime the stove will stay off.
     
  2. vwmike

    vwmike
    Feeling the Heat 2.
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    Oct 7, 2013
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    Loc:
    Chilliwack, BC, Can.
    How do you know it’s carbon monoxide?

    Unfortunately this isn’t uncommon with a basement install. Your on the right track with outside air supply for the stove and for the boiler.
     
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  3. BeccaG

    BeccaG
    New Member 2.
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    Feb 5, 2019
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    Loc:
    New York
    Thanks for the reply.

    I have multiple combo smoke/CO detectors around the house. In the basement I have one with a digital reading that you can see the "peak level". I will reset it before bed and when I wake up, it will ultimately be in the 15-20 ppm range.
     
  4. bholler

    bholler
    Chimney sweep 2.
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    Jan 14, 2014
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    Yes outside air is a good starting point assuming you can install one properly
     
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  5. Rich L

    Rich L
    Minister of Fire 2.
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    Jan 25, 2008
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    I overcame this problem by putting in a stove that gives me 14 hrs of heat.I keep it going 24/7.The heat it produces gives me a continuous updraft.It's a huge soapstone stove so the heat from the soapstone still emits an updraft even during clean outs and refills.
     
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  6. jetsam

    jetsam
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    Dec 12, 2015
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    Contact your stove manufacturer with the details of your current install before purchasing the OAK. It may not be possible to safely install one on a basement stove (but you are right that it will be a good idea if it can be done safely). Outside air for the boiler will also help.

    Burning the stove hot overnight also improves its draft by a lot, if your stove has the legs for that.

    How tall is your current flue? Can you add a few feet?
     
  7. Bad LP

    Bad LP
    Minister of Fire 2.
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    Nov 28, 2014
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    Try leaving the air control alone. The coals will burn down no matter what.
     
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  8. kborndale

    kborndale
    Burning Hunk 2.
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    Oct 9, 2008
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    Load the stove up before you go to bed, by morning you should still have a strong enough draft.
     
  9. bholler

    bholler
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    Jan 14, 2014
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    All of the sugestions about burning overnight etc would help prevent co spillage. But it won't actually fix the problem. One should be able to let the stove burn out safely at any point. I would start with fresh air to the stove and furnace . Also check for leaks on upper levels of the house as they can cause neg pressure in the basement.
     
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  10. BeccaG

    BeccaG
    New Member 2.
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    Feb 5, 2019
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    Loc:
    New York
    Thanks for your insights. As you said, the overnight burns have helped, but it just delays the CO spillage until later in the day when we let the fire burn out.
     

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