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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): BSC
Organization(s): BSC
Publication Date: April, 2010
Case study describing a retrofit project in the cold and very-cold climate zones.
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): CARB, Maryland Energy Administration
Organization(s): DOE
Publication Date: August, 2006

Case study about Chesapeake Habitat for Humanity rehabilitation of five 2-story row houses into energy-efficient, affordable housing.

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): 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 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): 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): 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 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): BA-PIRC
Organization(s): BA-PIRC
Publication Date: November, 2013

Case study about a multifamily, affordable housing retrofit project that achieved 44% energy savings using readily available, cost effective measures.

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): BSC
Organization(s): BSC
Publication Date: March, 2010

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 cold and very-cold climate zones.

Author(s): BSC
Organization(s): BSC
Publication Date: June, 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 about new home construction in the marine climate.

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

Case study describing a builder's technology package that achieves energy savings of 50% over standard practice compared to the 2006 IECC.

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: September, 2010

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

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.

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

Case study describing steps for properly designing a hydronic system for setback operation, which are applicable to new construction and retrofit applications.

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.

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): 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.