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tdatk tdatk is offline
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Join Date: Nov 2003
Location: Winchester, Va
Posts: 666
Quote:
Originally posted by rick-l
I don't do this very often so see if this reasoning/conversion is right or if I even understand the question.

So if you had a 3 ton heat pump, the box you built around the unit outside would have 36000 BTUs being taken out of it. (I think a heat pump in heat mode the box outside is the evaporator).

The energy added to the box would be what you put in to run the compressor with say 5 hp max (3750 watts) or about 13,000 BTUs.

You would take 3 times the heat out of the box as what you add so the box would get mighty cold.
Agreed,
So the question would be, how might you isolate the now evaporator to "pull" more heat from the surrounding air? The fan never changes direction, it still pulls air through the coils and exausts through the top, what if you boxed only the coil area drawing makeup air from say my crawl space (constant 50 degrees below grade) and left the fan open.?

Wait... that would work in the summer too.... wheres my screw gun and duct tape?
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Last edited by tdatk; 02-14-2007 at 11:34 AM..
Old 02-14-2007, 11:28 AM
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