LOW E: Low E stands for low emissivity. (marvin.com)
For homes in colder climates, gas - filled windows with low emissivity (low - E) coatings can significantly reduce heat loss. (energysage.com)
Extremely thin coatings of special low emissivity (Low E) metallic material are applied to glass panes used in windows and doors to boost their energy efficiency. (marvin.com)