Q&A Cold air during the night

QandA Posted By QandA, Oct 5, 2001 at 2:20 PM

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  1. QandA

    QandA
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    Nov 27, 2012
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    Question:

    When I use my fireplace- after the fire has died for the night- the cold outside air comes back in and fills the house with cold- smoke scented air. I know that a glass screen would solve this problem- but I do not want to put up a permanent glass screen. Is there a temporary screen- not necessarily glass- which could be put in place overnight until the damper is closed in the morning?



    Answer:

    You have a common problem called "flow reversal" - which occurs because of numerous reasons. As we know- cold air falls- so the large mass of chimney outside the home is hard to keep warm. In addition- many homes are quite tight and need to draw air in from somewhere....and the chimney is the perfect place.I have seen a type of blanket (I assume it's fireproof) that can drape over the fireplace- but I do not know where you can buy it. A glass door- or better yet efficient fireplace insert will help with the problem.
     
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