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an other neat idea I stumbled over
is called liquid/suction/heat/EXCHANGER
SIMPLE STUPID IDEA
JUST RUN THE COLD RETURN LINE INSIDE THE OUTGOING HOT LINE
SUCK THE LAST LITTLE BIT OF COLD ENERGY OUT OF THE RETURN LINE
TO COOL THE HOT OUTGOING HI PRESSURE SIDE A BIT AT A SMALL LODE PRICE BUT GAIN IN OVERALL COOLING FAR MORE
THEY CLAIM 20 T0 30% LESS ENERGY BY THE SIMPLE JOINED TUBES HEAT TRANSFER
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