On Fri, 18 Jul 2008 10:29:29 +1000, Herodotus
wrote:

I need to replace my existing Tropicool eutectic refridgerator which,
as it is dependent on the ambient air temperature, is just no good for
the tropics. Quite often, the water temperature around South East Asia
and Northern Australia reaches at least 30 degrees Celsius (86 F) and
then some.

There is a lot of information he

http://compressors.danfoss.com/products/products_dc.htm

I believe that Danfoss offers a water cooled option.