North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: cooling systems
I've seen some designs that actually use water as the transport and many-finned radiators at each end. Radiator transfer heat into cold water inside which is pumped up a radiator in the sub-zero temps on the roof and exchanged and then looped back. Same basic principle as a traditional residential heat-pump that loops through the ground 20 feet down or so. I think using straight air would probably not be as efficient as a closed-loop water transfer. On Wed, 5 Nov 2003, Joe Abley wrote: > > > 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 >
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