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Easily moveable insulation

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Posted by Sundug on August 22, 2007, 4:48 pm
During the winter I easily open and close my moveable insulation
shades every day. It`s well worth the small effort to get free heating
from the sun in my efficient, direct gain passive solar home.Doug

thermal window shades -

Gallery of Solar Homes- second one down-

SDHW and house-

 http://www.countrysidemag.com/issues/2_1998.htm   and go to the first,
featured article. The house looks totally different on the outside now.

Posted by nicksanspam on August 22, 2007, 5:10 pm

Sounds oxymoronic :-) How do you heat it on cloudy days?


Posted by gary on August 23, 2007, 2:18 pm
 On Aug 22, 11:10 am, nicksans...@ece.villanova.edu wrote:

OK Nick -- whats more efficient than a direct gain window with movable


Posted by Solar Flare on August 23, 2007, 5:48 pm
 A $50K reflector through a window with a 3D tracker on it. You could
gain $00 worth of energy over your lifetime.

Posted by nicksanspam on August 23, 2007, 6:41 pm

A house that stores heat for more than one cloudy day.


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