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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): Logue, Turner, Walker, Singer
Organization(s): LBNL
Publication Date: August, 2015
Changing the air exchange rate of a home (the sum of the infiltration and mechanical ventilation airflow rates) affects the annual thermal conditioning energy. Large-scale changes to air exchange rates of the housing stock can significantly alter the residential sectorÕs energy consumption. However, the complexity of existing residential energy...
Author(s): HIRL
Organization(s): HIRL
Publication Date: February, 2016

Case study describing a zero energy ready home (ZERH) that was recently completed featuring an innovative wall system. This highly insulated (high-R) light-frame wall system, called the extended plate and beam (EP&B), is for use above grade in residential buildings. 

Author(s): Arena
Organization(s): NREL
Publication Date: June, 2015
Report analyzing design heating loads in superinsulated buildings
Author(s): Rapp, Less, Singer, Stratton, Wray
Organization(s): LBNL
Publication Date: August, 2015
The exhaust from residential combustion appliances contains air pollutants and high levels of moisture that must be conveyed to the outdoors to maintain acceptable indoor quality.
Author(s): BSC
Organization(s): BSC
Publication Date: February, 2009
Case study describing a building project in the mixed-humid climate zone.
Author(s): PNNL
Organization(s): PNNL
Publication Date: September, 2009

Case study about new home construction in the hot-dry and mixed-dry climate zones.

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

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

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

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

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

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

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): Steven Winter Associates
Organization(s): Steven Winter Associates
Publication Date: September, 2009

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

Author(s): DOE
Organization(s): DOE
Publication Date: January, 2009
Case study describing a building project in the hot-dry and mixed-dry climate zones.
Author(s): DOE
Organization(s): DOE
Publication Date: January, 2008
Case study describing a building project in the hot-dry and mixed-dry climate zones.
Author(s): DOE
Organization(s): DOE
Publication Date: January, 2008
Case study describing a building project in the marine climate.
Author(s): DOE
Organization(s): DOE
Publication Date: January, 2008
Case study describing a building project in the cold and very-cold climate zones.
Author(s): DOE
Organization(s): DOE
Publication Date: January, 2008
Case study describing a building project in the hot-humid climate zone.
Author(s): DOE
Organization(s): DOE
Publication Date: January, 2008
Case study describing a building project in the mixed-humid climate zone.
Author(s): DOE
Organization(s): DOE
Publication Date: January, 2008
Case study describing a building project in the cold and very-cold climate zones.
Author(s): DOE
Organization(s): DOE
Publication Date: January, 2008

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

Author(s): DOE
Organization(s): DOE
Publication Date: January, 2008
Case study describing a building project in the marine climate.
Author(s): DOE
Organization(s): DOE
Publication Date: January, 2009
Case study describing a building project in the hot-dry and mixed-dry climate zones.
Author(s): DOE
Organization(s): DOE
Publication Date: May, 2008
Case study describing a building project in the hot-humid climate zone.
Author(s): DOE
Organization(s): DOE
Publication Date: January, 2008
Case study describing a building project in the cold and very-cold climate zones.
Author(s): DOE
Organization(s): DOE
Publication Date: January, 2008
Case study describing a building project in the mixed-humid climate zone.
Author(s): DOE
Organization(s): DOE
Publication Date: January, 2008

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

Author(s): PNNL
Organization(s): PNNL
Publication Date: December, 2009
Builder's Challenge case study.
Author(s): PNNL
Organization(s): PNNL
Publication Date: December, 2009

Case study about new home construction in the hot-humid climate, optimizing thermal enclosure, HVAC, water heating and lighting measures.

Author(s): PNNL
Organization(s): PNNL
Publication Date: December, 2009
Builder's Challenge case study.
Author(s): DOE
Organization(s): DOE
Publication Date: October, 2009

Builder's Challenge case study.

Author(s): DOE
Organization(s): DOE
Publication Date: October, 2009

Builder's Challenge case study.

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

Builder's Challenge case study.

Author(s): Florida Solar Energy Center
Organization(s): Florida Solar Energy Center
Publication Date: February, 2010

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

Author(s): PNNL
Organization(s): PNNL
Publication Date: December, 2009
Builder's Challenge case study.
Author(s): DOE
Organization(s): DOE
Publication Date: December, 2008

Case study describing building in cold and very cold climates.

Author(s): DOE
Organization(s): DOE
Publication Date: December, 2008

Case study describing a cold/very cold building project in Denver, CO

Author(s): DOE
Organization(s): DOE
Publication Date: October, 2008
Demonstration project of a zero net energy home in Las Vegas, NV.
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): Hoeschele, Weitzel, Backman
Organization(s): ARBI
Publication Date: June, 2017

This project completed a modeling evaluation of a hybrid gas water heater that combines a reduced capacity tankless unit with a downsized storage tank. This product would meet a significant market need by providing a higher efficiency gas water heater solution for retrofit applications while maintaining compatibility with the half-inch gas...

Author(s): Colon, Martin
Organization(s): BA-PIRC
Publication Date: August, 2017

The Florida Solar Energy Center (FSEC) has completed a fourth year-long evaluation on residential hot water heating systems in a laboratory environment (east central Florida, hot-humid climate). This report contains a summary of research activities regarding the evaluation of two residential electric heat pump water heaters (HPWHs), a solar...

Author(s): Colon, Martin
Organization(s): BA-PIRC
Publication Date: August, 2017

The Florida Solar Energy Center (FSEC) has completed a fourth year-long evaluation on residential hot water heating systems in a laboratory environment (east central Florida, hot-humid climate). This report contains a summary of research activities regarding the evaluation of two residential electric heat pump water heaters (HPWHs), a solar...

Author(s): Mittereder, Poerschke
Organization(s): IBACOS
Publication Date: June, 2017

This case study presents a cold-climate project that examines an alternative approach to ground source heat pump (GSHP) ground loop design. The innovative ground loop design is an attempt to reduce the installed cost of the ground loop heat exchange portion of the system by containing the entire ground loop within the excavated location...

Author(s): Poerschke, Beach, Beggs
Organization(s): IBACOS
Publication Date: June, 2017

IBACOS investigated the performance of a small-diameter high-velocity heat pump system compared to a conventional system in a new construction triplex townhouse. A ductless heat pump system also was installed for comparison, but the homebuyer backed out because of aesthetic concerns about that system. In total, two buildings, having identical...

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

Case study of a Concord Cape Cod style home began in August 2008 by architects and engineers at Buliding Science Corporation, who developed the drawing set and specifications for the high performance custom home to be built in Concord, Massachusetts.

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

Habitat for Humanity of Greater Lowell bought the land on which to build the Westford House from the town of Westford for $1. Habitat then partnered with Building Science Corporation, the community, local and national manufacturers, distributors and donors in an effort to create a comfortable, healthy, durable and energy efficient single...

Publication Date: November, 2015
Report presenting the building america research to market plan.
Author(s): PNNL
Organization(s): PNNL, FSEC, BA-PIRC
Publication Date: January, 2013

Case study about a DOE Building America 2012 Top Innovation on ventilation strategies in hot and humid climates developed and assessed by Florida Solar Energy Center.

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, CARB, Steven Winter Associates
Publication Date: September, 2013

Case study on a DOE Building America 2013 top innovation describing research by the Consortium for Advanced Residential Buildings (CARB), a Building America research team led by Steven Winter Associates, on HVAC ducts located in vented attics that are encapsulated in foam and buried in attic insulation.

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

This case study about a DOE Building America 2013 Top Innovation features a community-scale project in Tucson, AZ, where solar water heaters generated enough hot water per year to recoup the cost of the system within 4 to 6 years.The homes were built by Pulte with technical assistance from DOE Building America research partners...

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...

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