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.