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New York Hospital Queens

In 2009, NewYork-Presbyterian/Queens accepted the NYC Carbon Challenge. By engaging its doctors, patients, and staff in the effort to become more energy efficient, the hospital was able to cut its emissions by 36% from 2005 levels by 2014.

To meet the 30% goal, NewYork-Presbyterian/Queens:

  • Replaced a gas fired absorption chiller with a high efficiency electric chiller with a variable frequency drive
  • Replaced a large boiler plant burning No. 2 fuel oil with a new boiler plant that burns natural gas
  • Retro-commissioned a large, 30-year old air handling unit
  • Installed photocell controls to increase natural lighting and occupancy sensors to turn off lighting in unoccupied rooms
  • Used a centralized Building Management System to shut off unused ventilation systems during non-business hours
  • Built all new construction to higher efficiency standards
  • Launched an aggressive education campaign to encourage more energy efficient practices on the part of doctors, patients, and staff

Total Savings: At least $2.5 million per year


Highlight: Chiller Replacement Project
NewYork-Presbyterian/Queens’ former central chiller plant consisted of three 1,100-ton gas fired absorption chillers serving the hospital’s multiple cooling needs. With the help of financial incentives from NYSERDA, NewYork-Presbyterian/Queens replaced one chiller with a 1,200-ton high efficiency electric chiller, which will use 17% less electricity than standard performance chillers. The new chiller reduces the hospital’s annual emissions by 7%, removing 1,655 metric tons of carbon dioxide equivalent from the atmosphere, and saves the hospital more than $175,000 per year in reduced energy costs.

Learn more about NewYork-Presbyterian/Queens’ sustainability initiatives here.

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