 Vision 3000 aluminium clad timber windows from Glas Facades are now available in a range of specifications, achieving Window Energy Ratings in bands A, B and C.
While a grade C rated window is considered an excellent energy efficient window system, the ultimate grade A window means that the tested configuration will absorb more energy from the sun during a year than it loses through the window during the year.
This is a hard standard to achieve and requires the use of near airtight window seals, low-iron white glasses for solar gain and highly insulating coated glasses coupled with insulating inert gas between the panes of the glazing units.
The Vision 3000 range combines an aluminium outer profile with solid timber internally, in a natural or painted finish. Exceptional airtightness is a feature of the windows, which in independent tests have exceeded a Class 4 rating, the highest rating under EN 12207:1999-11.
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