Tuesday, August 24, 2010

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In the current drive to reduce the energy consumption of buildings, as far as windows are concerned, all effort has gone into improving thermal insulation. Here, for the first time, we alter the structure of the window to achieve energy savings.

The new technology is a greatly improved double-hung window that eliminates many shortcomings of the traditional double-hung window.

The window can be opened completely to the outside - doubling the rate of natural ventilation - thereby reducing or eliminating the need for air conditioning.

When closed, the sashes are in the same plane - improving appearance and reducing air leakage.

Please watch the video or view the patent.