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Case Studies

This library contains research reports produced by the Building America program and other building science resources used to support this Solution Center. The materials cover both new construction and existing homes. Use the search box and/or the filters to explore hundreds of residential building resources. Access to some references not produced by Building America may require purchase from the publisher. Documents are listed alphabetically. While we continually update our database, links may have changed since posting. Please contact our webmaster if you find broken links.

Author(s): Less, Walker
Organization(s): LBNL
Publication Date: August, 2014

Report including testing and analysis of deep energy retrofits of existing single-family homes in the U.S.

Author(s): Ueno
Organization(s): BSC
Publication Date: October, 2015
Report on adding insulation to load-bearing mass masonry buildings.
Author(s): BSC
Organization(s): BSC
Publication Date: April, 2010
Case study describing a retrofit project in the cold and very-cold climate zones.
Author(s): BSC
Organization(s): BSC
Publication Date: July, 2010

Case study describing project conducted by Habitat for Humanity of Greater Lowell (HfHGL) and Building Science Corporation (BSC).

Author(s): BSC
Organization(s): BSC
Publication Date: July, 2012

Case study of a Concord four-square home retrofitted by Building Science Corporation in Massachusetts.

Author(s): BA-PIRC, FSEC
Organization(s): BA-PIRC, FSEC
Publication Date: April, 2015
Author(s): PNNL
Organization(s): PNNL, PHI, HIRL, BSC, NorthernSTAR, University of Minnesota
Publication Date: September, 2013

Case study describing a DOE 2013 top innovation - best practices for the installation of rigid foam insulation on teh exterior of home roofs and walls as a thermal, air, and moisture barrier. Research was conducted by DOE Building America partners Home Innovation Research Labs, Building Science Corporation, and the University of...

Author(s): PNNL
Organization(s): ARBI, CARB, SWA, FSEC, BA-PIRC, BSC, IBACOS, PHI, HIRL, PNNL
Publication Date: September, 2013

Case study on a DOE 2013 top innovation about construction of net-zero energy ready homes, by several builders working with various DOE Building America research partners including Steven Winter Associates, Building Science Corporation, Home Innovation Research Labs, IBACOS, Davis Energy Group, and the Florida Solar Energy Center.

Author(s): PNNL
Organization(s): PNNL
Publication Date: March, 2015

Building America Optimized Solution in the hot-humid climate.

Author(s): PNNL
Organization(s): PNNL
Publication Date: March, 2015

Building America Optimized Solution in the mixed-humid climate.

Author(s): PNNL, ORNL
Organization(s): PNNL, ORNL
Publication Date: December, 2010

Case study about a 20-unit community of energy-efficient duplexes in Massachusetts that incorporated solar water heating and photovoltaics.

Author(s): Mallay
Organization(s): HIRL
Publication Date: January, 2016
Report on heating and cooling air-distribution ducts that are insulated, installed close to the ceiling in a vented attic and covered with attic insulation to minimize energy loss.
Author(s): PNNL
Organization(s): PNNL
Publication Date: September, 2013

Case study of a DOE Zero Energy Ready Home in west Connecticut that scored HERS 39 without solar PV. The 3,000 ft2 two-story home has R-33 double-walls, R-72 flat roof with closed-cell foam and blown cellulose, an ERV, and LED lighting.

Author(s): PNNL
Organization(s): PNNL
Publication Date: September, 2013

Case study about a Zero Energy Ready Home construction project in the marine climate.

Author(s): PNNL
Organization(s): PNNL
Publication Date: September, 2013

Case study of a DOE Zero Energy Ready Home in Herriman, UT, that scored HERS 40 without PV, -1 with PV. This 4,111 ft2 production home has R-23 advanced framed walls, and a vented attic with R-60 blown fiberglass.

Author(s): PNNL
Organization(s): PNNL
Publication Date: October, 2013

Case study of a DOE Zero Energy Ready Home in Ithaca, NY, that scored HERS 50 without PV. These 1,160 ft2 affordable town houses have R-20 advance framed walls, R-52 blown cellulose in attic, radiant heat with 92.5 AFUE boiler, and triple-pane windows.

Author(s): PNNL
Organization(s): PNNL
Publication Date: September, 2013

Case study of a DOE Zero Energy Ready Home in Phoenix AZ that scored HERS 58 without PV or HERS 38 with PV. This 1,700 ft2 affordable home has R-21 framed walls, a sealed closed-cell spray foamed attic, an air-source heat pump with forced air, and a solar combo system that provides PV, hot water, and space heating.

Author(s): PNNL
Organization(s): PNNL
Publication Date: September, 2013

Case study of a DOE Zero Energy Ready Home in Downers Grove IL that scored HERS 35 without PV. This 3,600 ft2 custom home has advanced framed walls with R-23 dense-packed fiberglass plus R-13 rigid polyiso, a sealed attic with open-cell spray foam, a pier foundation, and 95% efficient gas furnace.

Author(s): PNNL
Organization(s): PNNL
Publication Date: September, 2013

Case study describing a 4,763 ft2 certified Passive House that achieved HERS 27 without PV through the construction of R-54 walls that use ICF plus fiberglass cavity insulation, an R-100 vented attic, extensive air sealing and flashing, triple-pane windows, ductless heat pumps, and solar hot water.

Author(s): PNNL
Organization(s): PNNL
Publication Date: September, 2014

This certified DOE Zero Energy Ready Home, is the first home in the world to use a tri-generation system to supply electricity, heating, and cooling on site.

Author(s): PNNL
Organization(s): PNNL
Publication Date: September, 2014

Case study about a DOE 2014 Housing Innovation Award winner.

Author(s): PNNL
Organization(s): PNNL
Publication Date: September, 2014

Case study about a DOE 2014 Housing Innovation Award winner.

Author(s): PNNL
Organization(s): PNNL
Publication Date: June, 2013

Case study about one of three deep energy renovations of occupied affordable homes.

Author(s): PNNL
Organization(s): PNNL
Publication Date: September, 2009

Case study describing a retrofit project in Maryland.

Author(s): CARB
Organization(s): CARB
Publication Date: December, 2014

Case study about a deep energy retrofit, turning an old school into 12 high-end apartments in Greenfield, MA.

Author(s): PNNL
Organization(s): PNNL
Publication Date: December, 2011

Case study about a whole-house, deep energy retrofit project in the marine climate.

Author(s): PNNL
Organization(s): PNNL
Publication Date: December, 2011

Case study about a deep energy renovation of a home in the marine climate.

Author(s): CARB
Organization(s): CARB
Publication Date: November, 2013

Case study about a multifamily retrofit project in a cold climate.

Author(s): PNNL
Organization(s): PNNL
Publication Date: September, 2009

Case study describing a retrofit project in the hot-dry and mixed-dry climate zones.

Author(s): BA-PIRC
Organization(s): BA-PIRC
Publication Date: November, 2013

Case study about a multifamily, affordable housing retrofit project that achieved 44% energy savings using readily available, cost effective measures.

Author(s): PNNL
Organization(s): PNNL
Publication Date: January, 2012

Case study about an energy efficient retrofit project in hot-humid climates.

Author(s): PNNL
Organization(s): PNNL
Publication Date: March, 2012

Case study describing a deep energy renovation of a home in Florida.

Author(s): PNNL
Organization(s): PNNL
Publication Date: November, 2012

Case study describing a deep energy renovation of a home in Florida.

Author(s): PNNL
Organization(s): PNNL
Publication Date: September, 2009

Case study describing a retrofit project in the hot-dry and mixed-dry climate zones.

Author(s): PNNL
Organization(s): PNNL
Publication Date: December, 2011

Case study about cost-effectively reducing energy use by over 50% in an existing home.

Author(s): BSC
Organization(s): BSC
Publication Date: March, 2010

Case study describing a retrofit project in the cold and very-cold climate zones.

Author(s): PNNL
Organization(s): PNNL
Publication Date: December, 2011

Case study about an energy efficient renovation in the cold climate.

Publication Date: September, 2015
Case study on the retrofit of a 1960s split-level home.
Author(s): PNNL
Organization(s): PNNL
Publication Date: March, 2011

Case study describing a retrofit project in the marine climate.

Author(s): PNNL
Organization(s): PNNL
Publication Date: October, 2010

Case study describing a retrofit project in the hot-dry climate.

Author(s): PNNL
Organization(s): PNNL
Publication Date: October, 2010

Case study describing a retrofit project in the hot-dry climate.

Author(s): PNNL
Organization(s): PNNL
Publication Date: March, 2011

Case study describing a retrofit project in the marine climate.

Author(s): Levy, Dentz, Ansanelli, Barker, Rath, Dadia
Organization(s): ARIES Collaborative
Publication Date: December, 2015

Report a field evaluation of four novel roof designs in energy-efficient manufactured homes.

Author(s): PNNL
Organization(s): PNNL
Publication Date: January, 2011

Case study about new home construction in the marine climate.

Author(s): Goldberg, Mosiman
Organization(s): NorthernSTAR
Publication Date: September, 2015
Report assessing slab-on-grade foundation insulation energy savings.
Author(s): BSC
Organization(s): BSC
Publication Date: November, 2013

Case study providing details of a new construction, net zero energy home.

Author(s): BSC
Organization(s): BSC
Publication Date: November, 2013

Case study about a new construction project using high R-value enclosures with a hybrid insulation approach.

Author(s): BSC
Organization(s): BSC
Publication Date: February, 2009

Case study describing a building project in the hot-humid climate zone.

Author(s): Steven Winter Associates
Organization(s): CARB, Steven Winter Associates
Publication Date: February, 2009

Case study describing a retrofit project in the cold and very-cold climate zones.

Author(s): PNNL
Organization(s): PNNL
Publication Date: November, 2013

Case study about two new construction projects in Florida built to be net zero energy homes.

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