On Sun, 12 Oct 2003 01:32:22 +0100, "Suz" wrote:

Snore..

Snore= Boring?

but true. Sucks cold air in through metal heat exchanger.

Unlikely to suck the air after it has been warmed, by recovering
latent heat from the heat exchanger, as this increases the necessary
fan power, more usual to blow ambient air. The salient feature is that
there are two separate circulations.

AJH