Hot on the heels of the Empire State Building retrofit announcement, SL Green Realty, which says it’s the owner of New York City’s largest commercial office property portfolio (29 New York City office properties totaling approximately 23,211,200 square feet), has announced its own energy savings initiative.
Upon completion in late 2009, SL Green believes that the efficiency program will cut steam use at 13 properties by an average of up to 10 percent and save as much as 35 cents per square foot in utility costs overall.
The company recently received an Energy Star Challenge Award bronze plaque for its efforts in reducing energy consumption at 625 Madison Avenue. In 2008, SL Green reduced the property’s carbon footprint and energy consumption by more than 10 percent. At that property, the company installed monitoring equipment on high pressure steam traps, made stairwell lighting technology upgrades, installed variable frequency drives, and upgraded tenant and main building cooling towers with more efficient units.