[Greenbuilding] firewood moisture content - a question for Norbertperhaps

Douglas E Lamb douglaslamb at columbus.rr.com
Mon Dec 12 08:27:55 PST 2011

It produces steam not heat!
Doug Lamb
douglaslamb at columbus.rr.com


From: greenbuilding-bounces at lists.bioenergylists.org
[mailto:greenbuilding-bounces at lists.bioenergylists.org] On Behalf Of Reuben
Sent: Sunday, December 11, 2011 9:57 PM
To: Greenbuilding
Subject: [Greenbuilding] firewood moisture content - a question for

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? 



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