Southwall to provide key technology in super insulating windows for Empire State Building project

Southwall Technologies Inc., [Palo Alto, Calif.] the worldwide innovator of energy-saving films and glass products, announced today that its Heat Mirror film technology was selected to dramatically boost the energy-efficiency of the more than 6,500 hundred windows being upgraded as part of the Empire State Building energy retrofit project. The announcement marks another milestone along Southwall's path of industry firsts, including the world's first low-E insulating glass product and the world's first multicavity "super glass" to achieve up to R-20 insulating performance comparable to that of a wall, according to a March 4 Market Watch report.

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