[Greenbuilding] Barra system

[Paul Newby]

raymond pokorny wrote:
> remember the basics folks.   one cubic foot of water holds the same  
> amount of heat as one thousand cubic feet of air.  both are fluids.

Yes... and that certainly matters if you're storing energy.
Not so sure if it does if you're transporting energy, however.
There are commercially viable radiant floor systems that use
air as a transport medium (e.g., Legalett).

Paul N.