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permaculture - Re: [permaculture] Better Woodstove Heat Distribution

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  • From: Robyn Francis <erda@nor.com.au>
  • To: permaculture <permaculture@lists.ibiblio.org>
  • Subject: Re: [permaculture] Better Woodstove Heat Distribution
  • Date: Sat, 16 Feb 2008 16:04:53 +1100

Hi Zack
Try a google search on Stirling Fan
They sit on top of your heater and operate from the heat of your stove to
blow the heat - worth checking out.
Ciao Robyn


On 16/2/08 3:44 PM, "zack@riseup.net" <zack@riseup.net> wrote:

> Hi -
>
> I've got a newfangled high-efficiency wood burning fireplace insert,
> which heats our main living area nicely, but the back bedrooms and
> other extremities of the house remain pretty frigid most of the winter.
>
> I'd like to rig up some kind of ducting system to distribute heat more
> uniformly, but I'm not quite sure where to start. I'm familiar with
> thermo-siphon systems used to assist hot water heaters in winter. My
> challenge is that it's a single level home, so I don't have the
> benefit of much elevation gain to assist a convection cycle. If I
> ducted the heat off of the back of the flue, would I be able to place
> vents on the floor of the back rooms? Would the vents need to be
> higher than the heat source? Say if I put them midway up the wall,
> higher than the heat source, would they vent heat properly even if the
> ducts have to dive under the floor after getting their heat at the flue?
>
> Does anyone have any experience with this? I guess I could use a
> blower, if necessary, but I'd like it to be passive.
>
> Thanks for your suggestions,
>
> Zack
>
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