Double Low “E” glass provides year-round savings and comfort. It’s the clearest and highest-performing glass available, with layers of transparent silver that allow the glass to reject the sun’s heat in the summer and reflect furnace heat back into your home in the winter.
Argon Gas gives you the best thermal performance possible. It is an inert, slow-moving gas, and by replacing the air between the panes of a window with it, heat loss is prevented.
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