Reliable Refrigeration

The secret to reliable and efficient refrigeration is to buy a proven
system from one of the few companies that build good reliable boat
refrigeration systems. If you must build your own use a proven design
or copy an existing system that has tens of thousands of hours of
experience on that design. The correct refrigeration for your needs
will require a number of decisions, see the slide show on my web site.

From the author of books on boat refrigeration
http://www.kollmann-marine.com