Install a Solar Photovoltaic Roof to Generate Free Electricity

Terri Suess and Cheryl Long discuss how you can save money and reduce pollution when you install a solar photovoltaic roof.

The landmark thin-film building integrated solar roofing project built by the National Association of Home Builders in Maryland in 1996.
The landmark thin-film building integrated solar roofing project built by the National Association of Home Builders in Maryland in 1996.
PHOTO: STEVE HECKEROTH