*I've been hoping we'd swerve onto this subject . . I'm sure we'll be
looking at ALL it's issues, power-to-pump water vs a small heat pump, etc.
I missed the most beautiful opportunity once when the city had a 10" water
line open across my property . . if I had thought about it at the time, they
MIGHT have let me bury a few lengths of copper in the trench with the line
and my H & A cost would have been halved or something . . *
*Tony *
On 10/18/07, Jim Franklin <jamesf@groupwbench.org> wrote:
>
> On Oct 18, 2007, at 11:41 AM, Paul Mele wrote:
>
>
> >
> > Then a geo-thermal is most efficient energy user, but most hassle
> > and cost
> > to install; however, if you really only want to keep it at 50
> > inside, and
> > your building is already very tight and insulated, a ground loop
> > about 5 ft
> > deep with water thru and air handler will keep it 45 or above in
> > winter and
> > 85 or below in summer here in NC (I've had this in my shop).
>
> How does the ground temperature not eventually reach equilibrium with
> the shop? I can't see the transfer of heat in dirt being fast enough
> to absorb a summer's worth of 85+ temps.
>
> jim
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