IMO: If they are worried about energy efficiency: Triple pane glass with (I can't remember) gas between the panes is what we all have in our homes. Seems like

IMO: If they are worried about energy efficiency: Triple pane glass with (I can't remember) gas between the panes is what we all have in our homes. Seems like a case of someone letting their imagination run away with tech, without realizing that a simple solution, and less invasive test-marketing, is a much better approach.