Cost to replace windows with double pane A double-glazed window, anyone of which is low-emission, is more wisely than a triple-glazed window according to the beginning parameter "thermal transmittance." The higher the value, the best the construction protects from the cold.
Thermal insulation characteristics of the window units with the classic lens filling are affirmed in the table below. You can read more details about the thermal insulation properties of the insulating beaker units at the following link: thermal insulation of insulating lorgnette units.