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New York's (second) tallest building is now one of its eco-friendliest, thanks to a half-billion-dollar retrofit that will save tenants an estimated $4.4 million a year on their energy bills. Apart from 6,500 better-insulated windows, the Empire State Building also installed 25,000 sensors for tenants to monitor their energy use ... More »
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Chris Kahn - NEW YORK (AP) — 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. They also needed tenants... Read Post

Gotham icon completes window phase of energy retrofit by refurbishing original glass with high-tech insulates, estimated to save $400,000 in energy bills a year. Read Post

NEW YORK (Associated Press) -- A California company has been hired to retrofit New York City's Empire State building with 6,500 energy saving windows. A... Read Post