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Power / fan venting? - Forno Bravo Forum: The Wood-Fired Oven Community


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Power / fan venting?

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  • Power / fan venting?

    Does anyone have any experience with adding a small (convection-style) fan to help vent the oven where the flue is not tall enough to vent it naturally? I have seen fans for other high-heat applications but don't know if they would work in this case. Any information on how much draw a 36" oven actually needs in order to work well?

    Thanks to anyone who might help.

  • #2
    Re: Power / fan venting?

    Power venting is used for exterior fireplaces, which have a nasty habit of blowing smoke back in downdrafts. You could get some info from the Rumford site.

    You don't even need a chimney, at the risk of getting smoke in your face. Why do you want a fan? I suspect that it would just gum up in the smoke and be a lot of trouble.
    My geodesic oven project: part 1, part 2


    • #3
      Re: Power / fan venting?

      Thanks for these tips, dmun. I was led to believe that the oven needed at least 24" vertical rise to create a draft and sustain the convection effect. But this may be wrong. The fan would be to help pull some air. The Rumford site looks interesting, and they say that using a chimney pot will create the effect of greater vertical rise.