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.