ENVIRONMENTAL
INTRODUCTION
SUSTAINABILITY OBJECTIVES AND STRATEGY
CORPORATE CITIZENSHIP
GOVERNANCE AND TRANSPARENT REPORTING
APPENDICES
TECHNOLOGY AND INNOVATION
IEQ AND CARBON CAPTURE In 2024, ESRT continued to deploy a new cutting-edge platform to reduce energy and enhance IEQ at the Empire State Building. In 2023, ESRT piloted Thalo Capture, a proprietary low-power, modular distributed carbon capture system that permanently mineralizes CO 2 in a safe, solid form at the Observatory. This system filters out CO 2 and contaminants to simultaneously drive high-quality carbon sequestration and enhance indoor environmental air quality. The pilot permanently captured over 100 kg of carbon dioxide and laid the foundation to expand permanent carbon capture at the Observatory in 2024.
In alignment with our approach to strategically evaluate and leverage innovative technologies, ESRT continually tests, evaluates, pilots, and implements select energy efficiency, water conservation, waste diversion, and IEQ strategies and technologies across our portfolio. • BMS controls updates to advanced ASHRAE High Performance Guideline 36 and Tridium Niagara open protocol systems with customized sequences of operations • Photovoltaic glass windows to convert light to electricity without compromise to optical properties • Smart building automation that translates real-time data to impact operational, sustainability, and compliance objectives • Circadian rhythm LED lighting pilot to measure impact on human productivity, health, and comfort • Plug load management software and hardware as a standard with pilots underway for continuous advancement, data collection, and occupant experience • Waste intelligence platform that measures and reports waste quantity and quality • RTEM+ software, hardware, and controls to enhance integration of tenant systems into advanced building controls and the optimization of energy usage • Real-time indoor air quality monitors, trends, reports, software, and hardware, which include readings of PM 2.5 , PM 10 , CO 2 , TVOCs, CO, temperature, and humidity. • IEQ pilots for proactive potential natural gas and refrigerant fugitive emissions • Submetering pilots at ESB for lighting, plug loads, discrete HVAC load
A model of the Empire State Building made from sequestered carbon dioxide from the World’s Most Famous Building.
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2024 SUSTAINABILITY REPORT
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