One Court Square Optimization
Smith Engineering completed a major upgrade project at One Court Square, improving energy efficiency and tenant experience in the building.
We replaced two 30+ year old 950-ton constant speed chillers with two new 1,100-ton centrifugal chillers with unit mounted VFDs.
Our team also:
Refurbished all five cells of the cooling tower
Installed VFDs on:
four condenser water pumps
four chilled water pumps
four outside air fan motors
Refurbished plate and frame free cooling heat exchangers
Replaced the existing BMS with Carrieri-Vu BMS, (new chiller plant andAHU controls)
Installed real-time energy management (RTEM) components
The total cost of the project was about $5.9 million. One Court Square received about $5.3 million in rebates.
According to the Queens Daily Eagle article published on July 23, 2021, One Court Square was the “largest electric-efficiency retrofit at an office building in Con Edison’s history.” The incentive payment reduced the payback period for One Court Square to less than a year. They also saved 20% on annual energy costs equaling 4,448,832 kWh.
“This has been one of our most complicated projects, but it has gone so smoothly it is completely under the radar.”
— PM at Savanna Fund
Energy efficient upgrades at One Court Square include:
Variable speed chillers
Variable frequency drives
Building management system
Refurbished cooling towers
Refurbished heat exchangers
Optimized control strategy on condenser water flow
Discharge air temperature reset strategy