Are Envi-Blocks Appropriate for a Downdraft Stove?

lumbering on Posted By lumbering on, Dec 30, 2012 at 1:08 AM

  1. lumbering on

    lumbering on
    Feeling the Heat 2.

    Dec 7, 2012
    New York
    Everything I'm learning about the downdraft stoves emphasizes getting a good coal bed.
    I am without seasoned wood this first year and have been burning Envi-Blocks.

    But they don't actually burn down to a coal bed, there is literally nothing left of them but a fine ash.

    I didn't realize the difference until I just burned a few bundles of kiln dried hickory and oak and the difference in heat output was obvious and much longer duration.

    Any similar experiences/frustrations/success with the Envi-Blocks in a downdraft stove?
  2. BrowningBAR

    Minister of Fire 2.

    Jul 22, 2008
    Doylestown, PA
    I would have to assume there is a coaling stage to envi-blocks. At some point they would lose their shape and begin to break apart. They don't just catch fire and turn to dust.

    Buy a couple and give it a try.
  3. Dune

    Minister of Fire 2.

    Jan 14, 2008
    Commonwealth Of Massachussetts
    No doubt hickory is a better fuel than compressed sawdust. Many here recommend using blocks and firewood together.
    Some suggest bunching them together tightly for a longer lasting fire.

    As for the stove type, not an issue. Coals are good. Next year you will have them.

    (my stove is a downdraft) Blocks work great, I love them, but they are not free.
  4. ControlFreak

    Feeling the Heat 2.

    Jan 15, 2008
    Holden, MA
    A few years ago I bought one skid of the 8" envi blocks. I used them in an Avalon Arbor downflow stove. I found that I was able to get VERY consistent results with these because they are always the same, unlike a load of firewood. I would load up the stove with 5 of these for a night. It bugged me that basically the blocks were about a buck each, so a $5 load each night seemed to be a little bit of a bummer to me, as compared to wood that I could get for free if I worked to get it. Anyway, the Envi blocks do work and I wouldn't be concerned about them damaging anything as long as you are watching the stove and keeping it under control.
  5. CT Pellet

    CT Pellet
    Minister of Fire 2.

    Dec 1, 2012
    Torrington, CT
    I do the Envi Blocks in a Harman Oakwood, which is a downdraft stove. I do between 6 and 7 pallets a year and get great results. The trick is to get them glowing hot enough before you execute the downdraft damper.

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