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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): Arena
Organization(s): NREL
Publication Date: June, 2015
Report analyzing design heating loads in superinsulated buildings
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: December, 2010

Case study describing a building project in the cold and very-cold 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: 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): 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): 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): 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): BSC
Organization(s): BSC
Publication Date: June, 2009
Case study describing a building project in the mixed-humid climate zone.
Author(s): Poerschke, Beach
Organization(s): IBACOS
Publication Date: February, 2016
Report onhow space-conditioning systems are operating in the field and if these systems are meeting required standards.
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): BSC
Organization(s): BSC
Publication Date: July, 2010
Case study about a new construction project designed to achieve an 87% reduction in source energy use when compared to the 2009 Building America Benchmark.
Author(s): Cummings, Withers, Kono
Organization(s): BA-PIRC
Publication Date: July, 2015
Report on variable-capacity air conditioning and heat pump units.
Author(s): Less, Walker, Tang
Organization(s): LBNL
Publication Date: August, 2015
The main principle of smart ventilation used in this study is to shift ventilation from time periods with large indoor-outdoor temperature differences, to periods where these differences are smaller, and their energy impacts are expected to be less.
Author(s): PNNL
Organization(s): PNNL
Publication Date: April, 2014

Case study describing the first DOE Zero Energy Ready Home in Georgia that achieved a HERS score of 40 without PV and -10 with PV.

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: February, 2014

Case Study describing a DOE Zero Energy Ready Home construction project in Florida that recieved a HERS score of 49.

Author(s): PNNL
Organization(s): PNNL
Publication Date: September, 2017

United Way of Long Island’s Housing Development Corporation built this 3,719-ft2 two–story, 5-bedroom home in Huntington Station, New York, to the rigorous performance requirements of the U.S. Department of Energy's Zero Energy Ready Homes 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): BA-PIRC
Organization(s): BA-PIRC
Publication Date: October, 2013

Case study describing a multifamily deep energy retrofit project in Annapolis, Maryland.

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: 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): Williamson, Aldrich
Organization(s): CARB
Publication Date: August, 2015
Report on field monitoring of inverter-driven ASHPs in cold-climate homes.
Author(s): BSC
Organization(s): BSC
Publication Date: August, 2010

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

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: January, 2011

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

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

Case study about new home construction in the cold climate.

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

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

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

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

Author(s): Walker, Stratton
Organization(s): LBNL
Publication Date: August, 2015
Report on performance of current diagnostics as well as a draft test method for use in future air flow evaluations.
Author(s): Walker, Stratton
Organization(s): LBNL
Publication Date: August, 2015
Guidance on performance of current diagnostics as well as a draft test method for use in future air flow evaluations.
Author(s): Ueno, Loomis
Organization(s): BSC
Publication Date: July, 2015
Report on the long-term performance of mini-split heat pumps.
Author(s): Steven Winter Associates
Organization(s): CARB, Steven Winter Associates
Publication Date: August, 2009

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

Author(s): NREL
Organization(s): NREL
Publication Date: October, 2004

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

Publication Date: February, 2016

Case study describing the testing of a 30-home, high-performance, energy-efficient, sustainable community.

Author(s): Home Innovation Research Labs
Organization(s): HIRL
Publication Date: February, 2016

Case study on compact buried ducts in hot-humid climate homes.

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

Case study about a new building project that partnered with Habitat for Humanity.

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

Case study about a new construction project in North Carolina.

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

Case study describing a building project in the marine climate.

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

Case study about design and testing 10 high-performance homes in Farmington, Connecticut.

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