Retrofit Projects

Comprehensive Energy Efficiency Retrofit at DSNY’s 26th Street Repair Garage 

DCAS Energy Management, in partnership with the Department of Sanitation (DSNY) and NYPA, recently completed the third phase of a comprehensive energy efficiency retrofit project at the 26th Street Repair Garage in Manhattan. Major equipment upgrades included the installation of 14 new rooftop HVAC units and a new Building Management System (BMS). The new HVAC units replaced 14 outdated and inefficient package rooftop air handling units that were installed in the early 1990s. The new HVAC units are energy efficient and utilize variable speed fans which allow the system to scale down based on real time building load. In addition to the new units, a new BMS was installed to improve the functionality of the pneumatic control system.The BMS will control the heating and cooling of the facility and use optimization schedules and setbacks to curtail energy consumption. This phase of the project was primarily funded through the American Recovery and Reinvestment Act of 2009 (ARRA).

The first two phases of the project included the retrofit of 1,567 light fixtures and the installation of rapid roll-up doors. You can read more and watch a brief video to see how the innovative rapid- roll-up doors save energy and time in the following case study.

DSNY uses the 205,000 square foot garage facility in Manhattan to preform major repairs and maintenance on a wide range of vehicles including garbage trucks, street sweepers, salt spreaders and sedans.The three phases of this comprehensive energy efficiency project have a total cost of $5.5 million and will result in $328,155 in annual energy savings, and will reduce greenhouse gas emissions by 1,365 metric tons per year. 



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