A Clear Advantage

Modernists love glass, but large windows can be massive energy-wasters, letting in (and out) far too much heat to be sustainable. The windows at Green Orchard, from the British firm George Barnsdale, are sealed units (meaning no gaps between the panes of glass), double-glazed, and filled with argon gas for protection against both heat loss and gain.  Photo 7 of 8 in An Aluminum-Clad Green Energy Home in England

An Aluminum-Clad Green Energy Home in England7 of 8

Modernists love glass, but large windows can be massive energy-wasters, letting in (and out) far too much heat to be sustainable. The windows at Green Orchard, from the British firm George Barnsdale, are sealed units (meaning no gaps between the panes of glass), double-glazed, and filled with argon gas for protection against both heat loss and gain.

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