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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.

Publication Date: June, 2015
Case study on the moisture content in homes with double wall framing.
Author(s): CARB
Organization(s): CARB
Publication Date: November, 2013

Case study describing how to decrease indoor moisture using an air conditioning unit with a dehumidifier in hot-humid climates.

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

Case study describing field study of gas furnaces, and recommendations for installation.

Publication Date: August, 2015
Case study describing methods to retrofit foundations and basements in climate zones 6 and 7.
Author(s): PNNL
Organization(s): PNNL
Publication Date: October, 2012

Case study about incorporating inuslating concrete forms (ICFs) into new home design and construction.

Author(s): Florida Solar Energy Center
Organization(s): BA-PIRC
Publication Date: May, 2015

Case study describing investigations of wind washing in 56 homes; recommendations for cost-effective retrofits and tips for new construction.

Publication Date: August, 2015
Report on the long-term monitoring of mini-split ductless heat pumps.
Publication Date: August, 2015
Report on low-load options in heating, ventilation, and air conditioning equipment used in multifamily homes.
Author(s): BSC
Organization(s): BSC
Publication Date: October, 2013

Case study describing research about using exterior, vapor permeable insulation of retrofit walls with vapor permeable cavity insulation.

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

Case study about maximizing efficiency of hydronic systems in single and multifamily buildings.

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

Case study outlining a six month study that monitored performance of a heat pump water heater.

Publication Date: September, 2015
Case study desscibing direct current power optimizers and microinverters.
Author(s): CARB
Organization(s): CARB
Publication Date: November, 2013

Case study about measuring envelope leakage in multifamily buildings.

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

Case study detailing techniques used to prevent thermal bypass in new homes.

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): FSEC
Organization(s): FSEC
Publication Date: October, 2014

Case study describes raised ceiling duct strategy in New Smyrna, Florida.

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

Case study illustrating how to replace variable speed furnace motors.

Author(s): ARIES
Organization(s): ARIES
Publication Date: May, 2014

Case study about the benefits of replacing resistance heating systems with mini-split heat pumps in cold and mixed-humid climates.

Publication Date: October, 2015
Case study on retrofit measures for embedded wood members in insulated mass masonry walls.
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.

Author(s): IBACOS
Organization(s): IBACOS
Publication Date: May, 2014

Case study describing a stand-off furring strategy that minimizes the physical connections to each existing wall stud, uses spray foam to encapsulate existing siding materials (including lead paint), and creates a vented rain screen assembly to promote drying.

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

Case study about steam system balancing in multifamily housing.

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

Case study that identifies best practices, costs, and savings associated with balancing steam distribution systems through increased main line air venting, radiator vent replacement, and boiler control system upgrades.

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.

Publication Date: February, 2015
Case study on production builders who install efficient hot water delivery systems.
Author(s): Home Innovation Research Labs
Organization(s): HIRL
Publication Date: March, 2016

Case study about a structural sheathing product composed of enhanced EPS rigid foam with OSB adhered on one side.

Author(s): ARIES
Organization(s): ARIES
Publication Date: November, 2014

Case study describing a heating system retrofit in an existing apartment building complex which included advanced boiler controls and reduced heating gas consumption by about 20%.

Author(s): ARIES
Organization(s): ARIES
Publication Date: March, 2014
In this project, the Raleigh Housing Authority (RHA) worked with U.S. Department of Energy Building America team, the Advanced Residential Integrated Solutions Collaborative (ARIES), to determine the most cost-effective ways to reduce duct leakage in its low-rise housing units.
Author(s): BA-PIRC
Organization(s): BA-PIRC
Publication Date: November, 2013

Case study describing a package of energy- efficiency measures for new manufactured homes in the Pacific Northwest, including triple-pane highly efficient windows.

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): NREL
Organization(s): DOE
Publication Date: December, 2003

Case study describing whole house building techniques in the hot-dry climate.

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.
Author(s): Springer, Seitzler, Backman, Weitzel
Organization(s): ARBI
Publication Date: October, 2015

Report on energy use for domestic water heating in multifamily buildings.

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

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

Author(s): Steven Winter Associates
Organization(s): CARB, Steven Winter Associates
Publication Date: November, 2010

Case study about an upgraded home with an energy monitoring system designed to analyze the savings realized from the upgrades.

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