Mal Betts, the proprietor of ICEER refrigeration
is visiting USA this year. Malcolm is from Brisbane
and makes a very well regarded refrigeration
system that is highly regarded for efficiency and low current
His units are many boats including some production boats.
He will be in the US later this year and will be happy to check your system for you (if you have an ICEER, at no cost, save he will probably want to go for a sail. He is a pretty good sailor as well, has a very quick Windspeed he built himself.
PM me for his details, if you have one of his systems.