When it comes to summer, we may be thinking more about throwing open our curtains and letting the summer sun flood in but doing so can make our homes hotter. So, could blackout curtains keep heat out?

If the sun beating on your windows this summer is baking the place—or just making your air conditioner work harder—you can hang material that blocks the heat in your windows. Do-it-yourselfer ...

New 'smart glass' technology could make curtains and blinds obsolete and provide an instant toggle between light and dark for windshields and roof panes. While this isn't the first 'smart glass' ever ...