higher energy efficiency, and better aesthetics; however, there could also be drawbacks, such as increased noise pollution from the outside due to poor acoustic design. For example, replacing a double-glazed window with regular glass panes could reduce its soundproofing properties significantly. ...
As seen most clearly in FIGS. 1-3, the insulating glass window unit 11 is shown as a double glazed unit. The double glazed or double pane assembly is by far the most commonly used design for residential use. The two panes, outer pane 17 and inner pane 18, may be spaced a distance ...