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

Michael O'Brien obrien at hevanet.com
Sun Dec 11 19:38:26 PST 2011


Hi, Reuben--

A smoky fire that will be unpleasant and toxic.

Best,

Mike

Michael O'Brien
obrien at hevanet.com



On Dec 11, 2011, at 6:56 PM, Reuben Deumling wrote:

> Let us say I have a cord of firewood that registers 15% moisture content, and a cord that registers 20% moisture, and one that registers 25%. 
> 
> I burn the 15% cord and get XY BTUs/lb out of it. 
> I burn the 20% cord and almost certainly get fewer BTU/lb out of it, but how much less usable heat?
> And the same for the 25% cord?
> 
> Put more succinctly, what is the penalty for having firewood that is not quite dry? 
> 
> Thanks. 
> 
> Reuben
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