Discover how a home builder is building zero energy homes.
Lincoln Vista's welding helmet auto-darkens each time you light your torch.
Solar Solutions visits a home that generates as much energy as it uses.
Retractable panels on the roof reduce the demands on the HVAC system.
This house uses geothermal mass to store heat energy in heating & cooling.
This European system seals and mounts PV modules in a solar roofing shell.
Contractor Matt Blashaw discovers how insulation is made.
The nana wall, six folding glass panels, is this home's passive solar core.
Using Smart House technology, home dwellers can manage energy usage.
Solar panels are incorporated into louvers on this house's exterior facade.
Tom and Angela want to add old Hollywood glamour to their 1980s bathroom.
Eco-friendly improvements to your home mean big savings on utilites.