Single-silver low-E IGU glass features a special metallic coating that reflects infrared (heat) energy while allowing visible light to pass through. This helps to maintain a comfortable indoor temperature by reducing the need for additional heating or cooling. The term "single-silver" refers to the fact that the coating stack includes only one layer of silver. While this silver layer effectively reflects heat, it offers slightly lower performance compared to double-silver or triple-silver Low-E coatings.
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