I thought this might interest some here.
Quad in the title is quoted because one of the options includes 2 outer glass panes and 2 inner layers of suspended film.
It still offers only a 25% improvement over dual pane systems which is not a lot considering the low R starting point.
Quad in the title is quoted because one of the options includes 2 outer glass panes and 2 inner layers of suspended film.
It still offers only a 25% improvement over dual pane systems which is not a lot considering the low R starting point.
![Quad "Pane" Windows Quad "Pane" Windows](/talk/proxy.php?image=https%3A%2F%2Fwww.gsa.gov%2Fcdnstatic%2FApplied_Research%2FGPG%2520048-Quad%2520Pane%2520Windows.png&hash=a2f5d66546283b8915062562210dbfea)