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Proven performance

  Midtown Manhattan

  • 1.3 million square foot commercial office building

  • LEED Gold.

  • Reshaped the building cooling load profile by controlling zone temperatures in one-third of the occupied space.

  • Reduced HVAC peak demand by 30% and day-time energy use by 20%.

  • Managed energy price/volume risk.

  • Improved performance in NYISO/ConEd DR programs.

  • Identified,  evaluated, and implemented several energy efficiency operating improvements.

  • For more, see IEEE Smart Grid.

  Sears World Headquarters

  • 2.3 million square foot, 7 building commercial office campus.

  • Reshaped the building cooling load profile by controlling 1.1 million square feet.

  • Reduced the PJM capacity tag by 2.3 MW.  Reduced day-time HVAC energy use by 415 MWH with a pre-occupancy charge of 100 MWh.

  • Managed energy price/volume risk.

  • Challenge -- 2018 was the 2nd hottest Chicago cooling season in 60 years. 

  Willis Tower

  • 4 million square foot commercial office building,

  • Reshaped the building cooling load profile by controlling 13 of 96 floors, roughly 20% of the occupied space.

  • Reduced peak demand by 2 MW.  Reduced day-time HVAC energy use by 1,530 MWh with a pre-occupancy charge of 630 MWh.

  • Managed energy price/volume risk.

  • Automated participation in the PJM Economic Demand Response Program on 62 weekdays over 4 months.

  • For more, see this U.S. DOE website.    

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  Chicago Loop

  • 960,000 square foot commercial office building.

  • LEED Platinum.

  • Reshaped the building cooling load profile by controlling 11 of 51 floors, roughly 22% of the occupied space.

  • Reduced HVAC monthly peak demand by 20-30%.  Reduced monthly day-time HVAC energy use by up to 20%.

  • Automated participation in the PJM Economic DR Program.    

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  Chicago Loop

  • 800,000 square foot commercial office building.

  • LEED Gold.

  • Reshaped the building cooling load profile by controlling all 40 floors.

  • Reduced HVAC monthly peak demand and energy use 20%.

  • Implemented AHU and chiller staging strategies.    

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