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I want to build a thermal storage unit using my woodstove in my basement and
either rocks or cement ..
QUESTION:I want to build a thermal storage unit using my woodstove in my basement and
either rocks or cement or both along with water (I assume) as a thermal
storage unit so the heat will be more even throughout the night.
ANSWER: -Have you considered one of those masonry units? The ones that burn
very hot and fast but have so much mass that they keep warm for the
rest of the day afterwards. I'm told that a few hours burn in the
evening will keep you warm through the rest of the night.
-My basement woodstove has a steel 55 gallon drum with a couple of plastic
liners on top. The water gets up to about 130 F. I might put 8 more drums
around it, 2 on each side, stacked 2-high, for 4K Btu/h of thermal mass
equivalent to about 25K pounds of masonry. The drum was free.
I've redirected followups to alt.energy.renewable, since this discussion
has nothing to do with "practical uses of the sun's heat."
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