Retro Commissioning is a process that improves the efficiency of an existing building’s equipment and systems. It can often resolve problems that occurred during design or construction, or address problems that have developed throughout the building’s life as equipment has aged, or as building usage has changed. Retro-Commissioning involves a systemic evaluation of opportunities to improve energy-using systems.

New York City Building retro Commissioning

Retro Commissioning


Why is Retro-Commissioning important?

Buildings frequently undergo operational and occupancy changed that challenge the mechanical, electrical and control systems, hindering optimal performance. In today’s complex buildings, systems are highly interactive,with sophisticated controls that can create a trickle-down effect on building operations — small problems have big effects on performance. All building scan experience performance degradation over time.


Hence, it is vital to constantly monitor the equipment and fix the errors that may be preventing optimal performance of the building.

Key Benefits of Retro-Commissioning
• Lifetime improved building systems efficiency & extended equipment use
• Improved occupant comfort & productivity
• Improved building operation
• Documented building condition and deficiencies
• A list of recommendations for improvements
• A road map for capital improvements
• Potentially reduced carbon footprint


LL87 is viewed as an invaluable tool towards improving building operations and achieving real energy savings. Our experts go in the field to examine investment opportunities firsthand. We, at The Cotocon Group have experts that can help you identify and comply with Local Law 87 and take care of your Retro-Commissioning requirements.

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