Ice Water in Basement Cools Goldman Sachs Building
Goldman Sachs Group cools its Manhattan headquarters via thermal storage, consisting of 92 11-ton tanks of icy water in the basement, reports Bloomberg.
During summer nights, anti-freeze runs through pipes connected to the storage tanks to freeze the water. The next day, the ice is used in the building’s air-conditioning system when electricity is expensive. Goldman estimates that it saves about $50,000 a month on its summer utility bills, reports Bloomberg.
Thermal storage is an old-fashioned technology, going back to ice houses used in the 18th century. But that doesn’t mean it isn’t effective.
Energy storage is becoming a hot topic in general, but many energy storage technologies are complicated. Mark MacCracken, chief executive officer of CALMAC Manufacturing, which made the storage tanks at Goldman Sachs, told Bloomberg “thermal storage is the low-hanging fruit.”
During an Energy Manager Today webinar, Guy Frankenfield, manager with TES & Biofuel Tanks DN Tanks, explained how chilled water storage tanks act as thermal energy storage units for companies to manage their electricity loads.
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