Evaluation of CNT Energy Savers Retrofit Packages Implemented in Multifamily Buildings

Stacey Rothgeb, Stacey Rothgeb (NREL Technical Monitor)

Research output: NRELSubcontract Report


This evaluation explored the feasibility of designing prescriptive retrofit measure packages for typical Chicago region multifamily buildings in order to achieve 25%-30% source energy savings through the study of three case studies. There is an urgent need to scale up energy efficiency retrofitting of Chicago's multifamily buildings in order to address rising energy costs and a rapidly depletingrental stock. Aimed at retrofit program administrators and building science professionals, this research project investigates the possibility of using prescriptive retrofit packages as a time- and resource-effective approach to the process of retrofitting multifamily buildings.
Original languageAmerican English
Number of pages32
StatePublished - 2013

Bibliographical note

Work performed by Partnership for Advanced Residential Retrofit (PARR), Chicago, Illinois

NREL Publication Number

  • NREL/SR-5500-58587

Other Report Number

  • DOE/GO-102013-3931


  • air sealing
  • boiler controls
  • Building America
  • building types
  • case studies
  • Center for Neighborhood Technology
  • Chicago
  • CNT
  • insulation
  • lighting
  • modeling
  • multifamily
  • Parr
  • partnership for advanced residential retrofit (PARR)
  • pipe insulation
  • prescriptive retrofit packages
  • preservation
  • residential
  • residential buildings
  • roof cavity
  • treat
  • window replacement


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