The first phase, which is expected to reduce greenhouse gas emissions at the plaza by more than 20 percent, will include installing electric chillers, which are used to cool state buildings using the central air conditioning plant under the plaza. The plant currently operates one electric chiller and four steam-driven ones.
The agency said that the first phase will also include installing a heat recovery chiller, which will use excess heat in the plant to power “year-round heating and domestic water needs” for the Empire State Plaza concourse.
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