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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): 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): 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): 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): 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): 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): Brand, Cautley, Bohac, Francisco, Shen, Gloss
Organization(s): NREL
Publication Date: November, 2015
Report on comubsion safety simplified test protocol.
Author(s): BSC
Organization(s): BSC
Publication Date: July, 2010
Case study about a retrofit project designed to show that advanced energy goals could be met today in existing housing.
Author(s): Turner, Walker
Organization(s): LBNL
Publication Date: August, 2015
This study evaluates the energy, humidity and indoor air quality implications of residential ventilation cooling in all US IECC climate zones.
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: September, 2009

Case study describing a retrofit project in Maryland.

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

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

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

Case study about a multifamily retrofit project using individual heat recovery ventilators in 10 separate building units.

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): DOE
Organization(s): DOE
Publication Date: January, 2011

Case study about a builder in Texas that met the stringent requirements of the U.S. Department of Energy's Builders Challenge on over 779 homes in 2010.

Author(s): Less, Mullen, Singer, Walker
Organization(s): LBNL
Publication Date: August, 2015
This research study used pollutant measurements, home inspections, diagnostic testing and occupant surveys to assess IAQ in 24 new or deeply retrofitted homes designed to be high performance green buildings in California.
Author(s): PNNL
Organization(s): PNNL
Publication Date: February, 2013

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

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

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

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

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): BSC
Organization(s): BSC
Publication Date: April, 2009

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

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

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

Author(s): Turner, Roux, Walker
Organization(s): LBNL
Publication Date: August, 2015
This study used an advanced airflow, energy and humidity modeling tool to evaluate the potential for residential mechanical pre-scooling strategies to reduce peak electriciy demand.
Author(s): Zoeller, Williamson, Puttagunta
Organization(s): CARB
Publication Date: August, 2015
Report on hybrid ventilation methods for insulated and sealed crawl spaces.
Publication Date: August, 2015
Case study on heating loads for superinsulated buildings.
Author(s): NSTAR, PARR
Organization(s): NSTAR, PARR
Publication Date: May, 2014

Case study describing a method for evaluating safe installation and operation of combustion appliances in homes undergoing energy efficiency upgrades where indoor air is used for combustion and venting.

Publication Date: December, 2015
Case study on combustion safety testing as an important step in upgrading for energy efficiency.
Author(s): PNNL
Organization(s): PNNL
Publication Date: August, 2012

Case study about eliminating excessive humidity in the attic of a multi-floor, single-family home that was causing condensation and water damage along the roof and eaves.

Publication Date: February, 2016
Case study on an effort to improve indoor air quality in high-performance, new construction, mutlifamily buildings, dedicated sources of outdoor air.
Publication Date: September, 2015
Case study describing how researchers monitored heat output and electricity consumption of air-source heat pumps
Author(s): PNNL
Organization(s): PNNL
Publication Date: August, 2012

Case study describing how a properly designed duct system is essential for keeping a home comfortable, managing indoor air quality, and maximizing the performance of heating and cooling equipment.

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

Case study about retrofitting a leaky air handler. 

Publication Date: October, 2015
Case study describing methods to seal crawl spaces in cold climate homes with integrated whole-house ventilation systems.
Author(s): CARB
Organization(s): CARB
Publication Date: December, 2014

Case study aimed at helping contractors and building owners choose the best ventilation for existing homes.

Publication Date: September, 2015

Case study testing the effectiveness of various ventilation systems at two unoccupied, single-family lab homes at the University of Texas at Tyler.

Author(s): NREL, Habitat for Humanity of Metro Denver
Organization(s): NREL, Habitat for Humanity of Metro Denver
Publication Date: April, 2008

Case study describing a Habitat for Humanity zero net energy home in Denver.

Author(s): IBACOS
Organization(s): IBACOS, NREL
Publication Date: December, 2010

Case study describing innovative technologies, construction techniques, products, and design trends in new home construction.

Author(s): Turner, Walker
Organization(s): LBNL
Publication Date: August, 2015
This study uses a computer simulation approach to examine the energy and indoor air quality implications of passive and hybrid ventilation systems.