The Model 6047 Wood Frame is 60 inches wide by 47 inches tall.
The 4 inch entry and exit hole in the back side of the left hand and
right module assemblies.
Solar Window Heater Outside Mount
An evolution in design, Solar Window Air Heater breakthrough patented passive solar air heating shutter system looks just like a vertical house window shutter – but does something no other window shutter can do - generates heat!