The “Greener, Greater Buildings Plan” is designed to increase the energy efficiency of New York City’s large buildings. With its creation came new regulations to help building owners reduce their energy and water usage. Among those regulations was Local Law 87 (LL87), the energy auditing and retro-commissioning law. With the recent Climate Mobilization Act and Local Law 97, many building owners are wondering how LL87 relates to Local Law 97 (LL97).
LL87 requires NYC buildings larger than 50,000 s/f to perform an energy audit and retro-commissioning every 10 years. The on-site energy audit, performed by an energy professional, gives building owners an evaluation of their building’s energy performance, how effectively their equipment is functioning, and what improvements could reduce energy usage and increase building comfort. Retro-commissioning is a tune-up for the building to ensure that the equipment is operating as intended.
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