Jim Dunmyer said the following to Mike Ross on the subject of
RE: POWER SOURCE/PUMP (29 Jan 98  08:03:51)
 > So that the sunnier it gets the better the air conditioning works.
 JD> I've often thought about an absorption cooling system, fueled by wood.
 JD> Owning a sawmill, I have plenty of that!
 JD> The problem with solar heat is that it's 'low grade', IE, not very
 JD> hot. Most engines or absorption systems need a high temperature to
 JD> operate.
There are small bar fridges which have no compressors nor any Peltier
devices either. They seem to have an external heating element and
circulate some coolant which pumps heat away from the inside. They are
absolutely quiet and can even achieve freezing temps in a small
compartment. I just wondered if this sort of simple heat pump system
could be expanded to a larger scale?
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