Beneath an iconic Manhattan skyscraper, something very cool is going on with the way it’s handling electricity bills.

While the appliances and lights of the never-sleeping-city begin to turn off for the night, the building switches on a massive ice machine, which by morning light could have made as much as 500,000 pounds of ice.

Then, when New Yorkers rush to turn on their AC units, Eleven Madison stays cool and cost-effective by using that ice to chill the air circulating through the building.

It’s just one of 4,000 buildings worldwide that have installed one of the ice-based cooling systems from Trane Technologies Commercial HVAC, a product which offers significant advantages to traditional AC.

The ice machine freezes water at night when the cost of electricity and the demand for it

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