heat loss

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  1. KillerWhale

    Wood Stove Set in Fireplace - Should I Insulate the Gap in the Flue?

    I have a 2015 Jotul F100. It will be sitting 2/3 in an existing masonary FP. So the new SS liner comes off the top and goes through the old Flue, there will be approx 1 square foot of air space all around the liner (picture a 6" tube going through a shoe box and leaving an air gap). My concern...