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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): PNNL
Organization(s): PNNL, BSC, NREL
Publication Date: December, 2010

Case study describing a multi-family town home project constructed for the City of Aspen, Colorado, with assistance from the U.S. DOE Building America research team Building Science Corporation and the National Renewable Energy Laboratory.

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

Case study about a DOE Building America 2012 Top Innovation on the Building America Solution Center, a website developed by Pacific Northwest National Laboratory for the U.S. Department of Energy Building America program to provide builders, contractors, code officials, raters, home owners, etc. with quick access to information on how to...

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): PNNL, NREL
Publication Date: September, 2013

Case study of a DOE 2013 top innovation about best practices for high-efficiency window air conditioning units based on research by the National Renewable Energy Laboratory.

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

Case study on a DOE 2013 top innovation about high-performance furnace blowers for heating and cooling describing research by Lawrence Berkeley National Laboratory.

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

Case study about a DOE 2013 top innovation profile on Home Performance XML, a data transfer standard that communicates between home performance programs and analysis software, developed by the National Renewable Energy Laboratory.

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

Case study on a DOE 2013 top innovaton about advanced framing techniques for high-performance home construction based on research by a DOE Building America research partner, Home Innovation Research Labs.

Author(s): PNNL
Organization(s): IBACOS, BSC, PHI, HIRL, PNNL
Publication Date: September, 2013

Case study about a 2013 DOE top innovation on quality management tools for builders, trades and designers to help eliminate mistakes that would require high-cost rework, based on work by Building America research partners IBACOS, Inc., Building Science Corporation (BSC), and the Home Innovation Research Labs.

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

Case study about a DOE Building America 2013 Top Innovation on upgrading or replacing windows in existing homes, based on research by Building America research partner Building Science Corporation..

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): LBNL, BSC, FSEC, WSU Energy Office, Building Research Council, Southface, PNNL
Publication Date: December, 2014

Case study on a DOE 2014 top innovation on research that was instrumental in developing and gaining adoption of the ASHRAE 62.2 ventilation standard. The research and standards work was conducted by Lawrence Berkeley National Laboratory, and Building America research partners Building Science Corporation, Florida Solar Energy Center,...

Author(s): PNNL
Organization(s): CARB, ARBI, Davis Energy Group, PNNL
Publication Date: December, 2014

Case study on a DOE 2014 top innovation about research on high MERV filters used in HVAC systems conducted by Building America research partner Davis Energy Group.

Author(s): PNNL
Organization(s): LBNL, PARR, PNNL
Publication Date: December, 2014

Case study describing a DOE 2014 top innovation on development of a standardized testing method for testing the air leakage of HVAC air handlers and furnace cabinets developed by Lawrence Berkeley National Laboratory.

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): 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): Gilbride
Organization(s): PNNL
Publication Date: December, 2016

Clifton View Homes built this 1,852-ft2 affordable home in Coupeville, Washington, to the high-performance requirements of the U.S. Department of Energy’s Zero Energy Ready Home (ZERH) Program. 

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

Case study about approaches to comprehensive retrofits that are in reach of the ordinary builder.

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 the mixed-humid climate zone.

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

Case study describing a retrofit project in Maryland.

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): 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: 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 cold and very-cold climate zones.

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): 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 an energy efficient renovation in the cold climate.

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

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

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

Case study about new home construction in the marine climate.

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

Case study about a new construction home in the hot-humid climate.

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

Case study about 50% energy savings projects for new multifamily homes in cold climates.

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