I noticed this design can get up to 692 cooling, but not that much heat:
http://www.talonfiremage.pwp.b…00drdsvntps8fdm4xmr3ydlhc
Does someone want to try to make a design with more than 672 heat net 0 heating, without using condensers? This might be a good start. I've also proven myself incapable of maximizing this design 