Evaluation of Retrofit Delivery Packages

Research output: NRELSubcontract Report


Residential energy retrofit activities are a critical component of efforts to increase energy efficiency in the U.S. building stock; however, retrofits account for a small percentage of aggregate energy savings at relatively high per unit costs. This report by Building America research team, Alliance for Residential Building Innovation (ARBI), describes barriers to widespread retrofits andevaluates opportunities to improve delivery of home retrofit measures by identifying economies of scale in marketing, energy assessments, and bulk purchasing through pilot programs in portions of Sonoma, Los Angeles, and San Joaquin Counties, CA. These targeted communities show potential and have revealed key strategies for program design, as outlined in the report.
Original languageAmerican English
Number of pages52
StatePublished - 2013

Bibliographical note

Work performed by Alliance for Residential Building Innovation (ARBI), Davis, California

NREL Publication Number

  • NREL/SR-5500-57990

Other Report Number

  • DOE/GO-102013-3905


  • Alliance for Residential Building Innovation (ARBI)
  • Building America
  • bulk purchasing
  • EE
  • energy challenge
  • energy efficiency
  • Energy Upgrade California
  • home energy assessment
  • home energy upgrades
  • large scale residential retrofit
  • Los Angeles
  • residential buildings
  • residential retrofit
  • residential retrofit program
  • retrofit
  • retrofit delivery packages
  • San Joaquin residential
  • Sonoma


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