A Solar Jewel in Boulder
A new zero energy house that's long on function and on form.
The back side of the house is oriented exactly south, providing ideal conditions for passive solar heating.The house is also outfitted with a 7.2W photovoltaic system and 140 evacuated-tube solar thermal...
Photovoltaic (PV) Energy
PV panels contain hundreds of small silicon cells that collect the sun's energy and change it into electricity that can be used in the home. PV cells are made mostly of silicon, an abundant semi-conductor material in the earth's crust that is also used in computer...
