Low-emissivity (low-E) glass, which...

Low-emissivity (low-E) glass, which initially was marketed for residential buildings, is achieving a significant carriage in the nonresidential building sector.

A investigation by the American Architectural Manufacturers Association indicated that low-E coatings were used onward 15 percent of the total vision area of nonresidential windows in 1990 They were applied either forward the second surface (the side of the exterior light that faces the air space) or the third surface (the side of the interior light that faces the air space) of an insulating unit.

Low-E coatings are designed to