Retrofitting a 1960s Split-Level Cold-Climate Home

Published by Steven Winter Associates of the Consortium for Advanced Residential Buildings | Department of Energy | Metadata Last Checked: January 23, 2026 | Last Modified: 2023-11-01T16:43:41Z

The U.S. Department of Energy Building America research team Consortium for Advanced Residential Buildings (CARB) partnered with Preferred Builders, a previous CARB partner and builder of the Performance House (DOE 2013) and the owners of a 1960s split-level home in Westport, Connecticut, to evaluate and implement a cost-effective solution package that met the requirements of 30% source energy savings compared to the pre-retrofit performance. This home had already been updated aesthetically (kitchen and bathrooms), so the owners wanted the energy-efficiency measures to be as non-disruptive to the interior finishes as possible.

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Complete Metadata

bureauCode	[ "019:20" ]
dataQuality	true
DOI	10.25984/2204260
identifier	https://data.openei.org/submissions/4670
issued	2016-04-27T06:00:00Z
landingPage	https://data.openei.org/submissions/4670
programCode	[ "019:000", "019:002" ]
projectNumber	FY15 AOP 1.9.1.19
projectTitle	Building America
spatial	{"type":"Polygon","coordinates":[[[-73.3579,41.1415],[-73.3579,41.1415],[-73.3579,41.1415],[-73.3579,41.1415],[-73.3579,41.1415]]]}