argon filled windows 4

https://myqozxptud.wordcanopy.com/posts/what-to-know-before-scheduling-a-low-e-glass-replacement

Argon filled windows use a layer of the inert gas between panes to improve insulation, reducing heat transfer and keeping homes warmer in winter without relying on heavy drapes. They're quieter too, as argon helps dampen outside noise, making them a practical upgrade for comfort and energy savings.