Nu-Eco Double Glazed uPVC Windows and Doors
Image source: http://www.puregreenmag.com/pure-green-blog/at-home--jed-lind--jessica-de-ruiter
Double Glazed Double Hung Windows from Ecostar Double Glazing
Known for Scotch tape and Post-It notes, 3M showed a thin flexible film that can turn windows into solar panels.
DecoClad ‘Shadowline’ cladding & Capral aluminium windows