[Greenbuilding] South-facing windows are net energy gains...

[Sacie Lambertson]

Thanks John, possible to use a central tank and find such savings in a
single house?  How large a tank are we talking about?  S

*On Wed, Jan 12, 2011 at 11:03 AM, John Straube <jfstraube at gmail.com> wrote:
*
>
> *I have friends who worked on this.  The houses are all R2000.  It would
> have been more economical to insulate better.. and just using the central
> tank, no ground loop, would generate most of the savings with far less cost.
> *
> *The overall system is very expensive.*
> *Check under publications for the newsletters*
>
>
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