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Empire State Building

New York City, NY


Energy Retro-commissioning (Retro-Cx) project for one of the largest office buildings in the world

  • 7 million sq. ft.
  • 5 Operational Energy Conservation Measures (ECMs) identified
  • 3 Capital ECMs identified
  • More than $234K in annual savings
  • 2% reduction in annual utility costs
  • Reduction in site electricity consumption 2.5%
  • Reduction in steam consumption 1%
  • Payback period: 2.7 years