[Greenbuilding] firewood moisture content - a question for Norbert perhaps

Michael O'Brien obrien at hevanet.com
Sun Dec 11 20:14:23 PST 2011


Hi, Reuben--

Wouldn't it just be the heat of vaporization, 670 Btu/lb of water, times the weight of the water?

Best,

Michael O'Brien
obrien at hevanet.com



On Dec 11, 2011, at 7:43 PM, Reuben Deumling wrote:

> 
> On Sun, Dec 11, 2011 at 7:38 PM, Michael O'Brien <obrien at hevanet.com> wrote:
> A smoky fire that will be unpleasant and toxic.
> 
> Actually that has not been my experience. I believe... that I can burn with no visible smoke across that whole range (if my brother's moisture meter is any good, and it should be). None of these moisture levels corresponds to wood that sizzles--they're not that wet. I think I've understood that the penalty comes from the need to 'cook off' the extra moisture that ends up robbing heat that would have otherwise gone into the room.  But I'd like to know if there have been attempts to quantify this penalty. 
> 
> Thanks.
>  
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