An Irish window and door manufacturer selling in the US under the brand Klearwall
(via Home | Hwindow)
Scandinavian style operation - pivoting awning, flips around 180deg to clean the outside surface easily. Triple glaze available, made in Wisconsin.
An operable window set into the glass of a much larger fixed frame window wall.
(via LOÏC PICQUET ARCHITECTE)
Metal sill extensions, similar to what is typical in Sweden.
EAST FACADE. renovation of gyldenrisparken social housing, copenhagen. vandkunsten/witraz/wissenberg 2005-2012 (by seier+seier)
Interesting mix of wood and aluminum window frames
(via Wood European Windows | Wood European Doors | Bieber Architectural Windows) Passive House certified line, triple glazed, aluminum clad. Looks promising, but not made in the US.
PH certified, appears to be aluminum cladding over some kind of insulating material at the exterior, fir at the interior.
Danish made PH certified polymer framed windows: Ecliptica.
Interior frame material appears to be plastic shell filled with stone wool insulation.
Casagrande Woodworks - a new PH certified window product, made in the US