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 buildingâ€™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 doesnâ€™t mean it isnâ€™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 BloombergÂ â€śthermal storage is the low-hanging fruit.â€ť
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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