The Empire State Building has over 6,500 windows – and with windows being one of the main causes of poor building energy performance, the historic landmark NYC building had a lot of room for improvement. In 2009, the Empire State Building began work on a retrofit project that would mo

In 2012, the General Services Administration (GSA) set forth on a pioneer project to reduce energy consumption in 30 GSA buildings through deep energy retrofits (which refers to a project with over 50% savings) to fulfill the Obama administration’s goal of cutting energy costs by over