On Mon, 16 Jun 2014 16:42:57 +0100
Rick Hughes wrote:

The original design allowed for addition of a 'cooling' module to
cool incoming air (not air-con just allowing several degree temp drop)

The company never produced the module though.

How was that going to work? Evaporation of water? Known colloquially in
industry as a Swamp Cooler, as it cooled the air while raising the
humidity. Only worth doing in dry areas, in which the UK is not
included. Arizona is a decent bet.

--
Davey.