silvereye

hi, I had the following windows to replace and if possible please quote me the electric opener too as the window is about 2.6 meter above the floor, we can't open it. - Top hang, 3 panel, total length 2900mm x height 600mm - Top hang, 3 panel, total length 3500mm x height 600mm - Top hang, 3 panel, total length 3500mm x height 600mm Wonder can 1 reduce the number of panel to save on the electric opener? Please provide me a quotation.