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Title: Performance Results for Massachusetts and Rhode Island Deep Energy Retrofit Pilot Community

Between December, 2009 and December, 2012, 42 deep energy retrofit (DER) projects were completed through a pilot program sponsored by National Grid and conducted in Massachusetts and Rhode Island. Thirty-seven of these projects were comprehensive retrofits while five were partial DERs, meaning that high performance retrofit was implemented for a single major enclosure component or a limited number of major enclosure components. Building Science Corporation developed a consistent "package" of measures in terms of the performance targeted for major building components. Based on the community experience, this DER package is expected to result in yearly source energy use near 110 MMBtu/year or approximately 40% below the Northeast regional average.
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  1. Building Science Corporation, Somerville, MA (United States)
Publication Date:
OSTI Identifier:
Report Number(s):
Resource Type:
Technical Report
Research Org:
Building Science Corporation, Somerville, MA (United States)
Sponsoring Org:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Building Technologies Office (EE-5B)
Country of Publication:
United States
residential; Residential Buildings; BSC; Building America; DER; retrofit; high performance retrofit; energy use; measured performance; airtightness; post-retrofit; cold climate retrofit; deep energy retrofit; National Grid; Pilot; DER Pilot; DER Pilot Evaluation