The managers of the Empire State Building announced today that they have hired California green company to retrofit the windows of the NYC landmark. Johnson Controls Inc., who are overseeing the greening of the ESB, have hired Serious Materials to retrofit and super-insulate 6,514 double-hung windows on the building. This is expected to save $400,000 a year in energy costs, and according to Crain’s , it is one of four energy-saving measures that will eventually reduce the landmark’s “energy use by 38 percent, saving $4.4 million per year in energy costs and reduce 105,000 metric tons of carbon dioxide emissions over the next 15 years.” This marks another victory in the ESB’s quest to get totes hippie’d-out.

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Empire State Building Gets Energy-Efficient New Windows