[Greenbuilding] air tight wood fireplace

Alan Abrams alan at abramsdesignbuild.com
Sat Oct 19 11:07:27 CDT 2013


we need an air-tight wood stove for a passive house project.  from a PH
perspective, "air-tight" and "wood fireplace" may be oxymoronic.  one could
even say, "moronic" but that is another issue.

nevertheless, the ideal unit would have a glass door, and a means of
providing combustion air and a flue--which not only are "air-tight" but
also allow air-tight damping close to the building envelope.

what would seem optimum to me for combustion air would be a port on the
side of the firebox that could mate with a standard pipe fitting.  to that,
standard pipe could run laterally to a side wall, and could be controlled
by a gate valve just inside the wall surface.

likewise, the flue damper would be located just under the roof deck,
operated by a chain or cable.

this would preclude having to insulate long runs of flue and supply pipe.

Others have recommended products by Rais.  One essential feature that Rais
offers is very low heat output.  The heat demand for this house will be
miniscule.

What about domestic products?  All suggestions are welcome.

AA

-- 
Alan Abrams*
**certified professional building designer, AIBD
certified passive house consultant, PHIUS*
*certified passive house builder, PHIUS**
*Abrams Design Build LLC
*sustainable design for intentional living*
cell     202-437-8583
alan at abramsdesignbuild.com
www.abramsdesignbuild.com
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