Log in or register to create Field Kits and Sales Worksheets. Why register?

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): 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): 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...

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): 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 of a DOE Zero Energy Ready Home in west Connecticut that scored HERS 39 without solar PV. The 3,000 ft2 two-story home has R-33 double-walls, R-72 flat roof with closed-cell foam and blown cellulose, an ERV, and LED lighting.

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

Case study of a DOE Zero Energy Ready Home in Herriman, UT, that scored HERS 40 without PV, -1 with PV. This 4,111 ft2 production home has R-23 advanced framed walls, and a vented attic with R-60 blown fiberglass.

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

Case study of a DOE Zero Energy Ready Home in Downers Grove IL that scored HERS 35 without PV. This 3,600 ft2 custom home has advanced framed walls with R-23 dense-packed fiberglass plus R-13 rigid polyiso, a sealed attic with open-cell spray foam, a pier foundation, and 95% efficient gas furnace.

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

Case study describing a 4,763 ft2 certified Passive House that achieved HERS 27 without PV through the construction of R-54 walls that use ICF plus fiberglass cavity insulation, an R-100 vented attic, extensive air sealing and flashing, triple-pane windows, ductless heat pumps, and solar hot water.

Author(s): PNNL
Organization(s): PNNL
Publication Date: September, 2014

Case study about a DOE 2014 Housing Innovation Award winner.

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

Case study describing a gut rehab of a multifamily, masonry building.

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): CARB
Organization(s): CARB
Publication Date: December, 2014

Case study about a deep energy retrofit, turning an old school into 12 high-end apartments in Greenfield, MA.

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

Case study about a multifamily retrofit project in a cold climate.

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): 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): PNNL
Organization(s): PNNL
Publication Date: December, 2011

Case study about an energy efficient renovation in the cold climate.

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

Case study providing details of a new construction, net zero energy home.

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

Case study about a new construction project using high R-value enclosures with a hybrid insulation approach.

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): 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): 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): 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): 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): 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): 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.