When owners of the Empire State Building decided to blanket its towering facade this year with thousands of insulating windows, they were only partly interested in saving energy.
insulating windows |
insulating windowsIconic skyscrapers find new luster in green techNewsvine - business Sat, 07/04/2009 - 10:30
When owners of the Empire State Building decided to blanket its towering facade this year with thousands of insulating windows, they were only partly interested in saving energy. |
