Liberty Luxe & Liberty Green

Location:New York, NY
Architect:Ehrenkrantz Eckstut and Kuhn (Now Perkins Eastman)
Client:Roseland Properties

The towers, united by a common base, have many notable features including tempered outside air mechanically-delivered to each room, winter humidification, a black water treatment system and a photovoltaic array. Vidaris assisted the project team in enhancing the efficiency of these features, and of others as well, by taking a comprehensive approach to energy savings via design.  This approach also included reduced thermal bridging in opaque walls, green roof with higher levels of insulation, and spectrally-selective low-e glass.  The low-density lighting fixtures feature occupancy sensors for corridors, stairs and garage, and a daylight dimming system in the lobby.  The HVAC system utilizes water loop heat pumps with condensing boilers and cogeneration and heat is recovered from the cogen system. 

In addition to the potable water savings due to the black water system, the building also recovers storm water management for irrigation. Indoor air quality is enhanced not only by the outside air system, but also through selection of low-VOC materials. Maintenance procedures minimize tracking of pollutants into the building. Cleaning is performed with low-impact detergents.  Many other sustainable features (green roofs, locally-sourced materials, high recycled content) contribute to the environmental footprint of these towers.

The team consisted of design architect Ehrenkrantz Eckstut and Kuhn (currently joined with Perkins Eastman), project architect Costa Kondylis (now GKA) and Kondylis Design for the interiors design. NYSERDA has cofunded Vidaris' consulting.

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