Design Nails Solar Shingles

The complex installation of solar panels can be off-putting to many homeowners. To open the market to more people, Dow Chemical created thin-film photovoltaic solar panels that are the size and shape of ordinary asphalt shingles.
Installation is easy:
They can be nailed into the roof like conventional shingles. Plus, the solar shingles are healthier for homes than solar panels because they don't use elaborate racking systems that penetrate a roof. sales of the Powerhouse Solar Shingles are expected to begin late this year.