Retrofitting Garden-Style Apartments in Brooklyn, New York

Charles Booten, Heather Nolen, Sean Maxwell, Robin Neri, Joanna Grab, Chuck Booten (NREL Technical Monitor)

Research output: NRELSubcontract Report


This research effort sought to achieve a solution package that yields energy savings greater than 30% over the pre-existing conditions in a minimally intrusive multifamily retrofit project. The Consortium for Advanced Residential Buildings (CARB) partnered with L+M Development Partners, Inc. on a Mitchell-Lama Housing Program project, Marcus Garvey Village, in Brooklyn, NY (Climate Zone 4A). The Mitchell-Lama Housing Program is a form of housing subsidy in the state of New York that provides affordable rental and cooperative housing to moderate- and middle-income families. Marcus Garvey Village was founded in 1975 and contains 625 residential units (ranging from studios to 5-bedroom units) in thirty-two 4-story garden-style apartment structures built with concrete and faced in light brown brick. The single largest challenge for implementation of energy conservation measures at Marcus Garvey was working within occupied spaces. Measures are being implemented in phases to minimize disruption. As of August 2015, the retrofit work is over 50% complete. The wall insulation, sealing of the through wall AC vent, and installation of new oil-filled electric baseboards with advanced controls are conducted at one time, limiting disruption to the living room space. In a similar fashion, the kitchen work is done, then the bathroom. The final selection of energy conservation measures is projected to save 26.5% in source energy with a cost just under $3.7 million and utility bill savings of nearly $480,000 (of an average $1.8 million annual utility cost for the development).
Original languageAmerican English
Number of pages36
StatePublished - 2016

Bibliographical note

Work performed by Consortium for Advanced Residential Buildings, Norwalk, Connecticut

NREL Publication Number

  • NREL/SR-5500-65176

Other Report Number

  • DOE/GO-102016-4785


  • affordable housing
  • apartments
  • Building America
  • central ventilation exhaust fans
  • central ventilation shafts
  • consortium for advanced residential buildings
  • electric baseboard wireless controls
  • mutli-family
  • oil-filled electric resistance baseboards
  • residential
  • residential buildings
  • retrofit
  • Steven Winter Associates, Inc.
  • SWA
  • thru-wall air conditioner sleeves


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