West-facing thermopane windows with insufficient overhang – film, storm window, low e replacement?

I have a contemporary house with a 20′ wide x 22′ high west facing window wall and 12-12 pitch roof.  There are four modules across, 5′ wide each.  There are… I have a contemporary house with a 20′ wide x 22′ high west facing window wall and 12-12 pitch roof.  There are four modules across, 5′ wide each.  There are…Read MoreGreenBuildingAdvisor