Q&A Re: double wall vs single wall stovepipe

Post in 'Questions and Answers' started by QandA, Nov 30, 2003.

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  1. QandA

    QandA
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    Question:

    I CURRENTLY HAVE DOUBLE WALLED STOVEPIPE ON MY WOODSTOVE. IWOULD LIKE TO INCREASE MY HEAT OUTPUT BY SWITCHING TO SINGLE WALLED PIPE.I REALIZE I WILL HAVE TO INSTALL A WALLSHEILD TO DO THIS. MY QUESTION IS HAVE THERE BEEN ANY STUDIES ON THE AMOUNT OF HEAT GAIN PER FOOT OF CONNECTER PIPE BETWEEN THE TWO DIFFERENT TYPES , BY THE WAY I HAVE FOUND YOUR WEBSITE VERY HELPFUL IN THE PAST. THANKS IF YOU HAVE ANY IMFORMATION FOR ME.



    Answer:

    As with most things, it depends. The heat gain is mostly found in the first 3-4 feet of pipe, after that it probably cools too much...

    BUT, it also depends on the stove model. Some put more heat up the chimney than others. In general, non-catalytic stoves put more heat up the chimney than cat stoves.

    I think it would be a fair guess to say that a 10-15% gain is possible in many circumstances.
     

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