Solar Control Films: Reducing Heat Without Dimming Views

https://fast-wiki.win/index.php/Glare_at_Work:_Choosing_Window_Films_for_a_More_Productive_Office

Window films sit quietly on the inside of glass, a thin sheet that alters how light, heat, and glare move through a room. For many homes and offices, they represent a practical, economical step toward greater comfort and lower energy use