For green banks: Heat Mirror insulating glass.Does your bank have large plate glass windows that leak heat in winter and lose cool in the summer? For energy savings, Southwall Technologies Inc., Palo Alto Palo Alto, city, California Palo Alto (păl`ō ăl`tō), city (1990 pop. 55,900), Santa Clara co., W Calif.; inc. 1894. Although primarily residential, Palo Alto has aerospace, electronics, and advanced research industries. , Calif., has released new commercial insulating glass known as Heat Mirror. This glass can insulate in·su·late tr.v. in·su·lat·ed, in·su·lat·ing, in·su·lates 1. To cause to be in a detached or isolated position. See Synonyms at isolate. 2. against heat loss at an R-20/U 0.05 insulation value, the same value as an insulated in·su·late tr.v. in·su·lat·ed, in·su·lat·ing, in·su·lates 1. To cause to be in a detached or isolated position. See Synonyms at isolate. 2. wall. [ILLUSTRATIONS OMITTED] In the past, if a bank wanted to make its ordinary glass windows more energy efficient, the only alternative was to replace the ordinary glass with triple-pane glass. This increased the R value from 4 to 9. However, the triplepane glass required stronger glass framing, which drove up costs. In addition, triple-pane glass reduced visible light transmission by at least 20 percent. Heat Mirror has low emissivity Emissivity The ratio of the radiation intensity of a nonblack body to the radiation intensity of a blackbody. This ratio, which is usually designated by the Greek letter ε, is always less than or just equal to one. and solar reflective film inside of an insulating glass unit. The company says that the product does not have the weight disadvantage of a third pane A rectangular area within an on-screen window that contains information for the user. A window may have many panes. See menu pane. of glass nor does it reduce light transmission. |
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