cooling systems

Wed Nov 5 17:42:15 UTC 2003

On 5 Nov 2003, at 11:22, Neil J. McRae wrote:

>> google search for "air to air heat exchanger" - there are many
>> companies that make products that do exactly what you want.
>
> I'd be interested to see if these actually save any money. I'd
> guess that the cost of moving the air around is going to be a factor.

Seems to me that you have to move air regardless of what you use to 
cool it.

Joe