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): DOE
Organization(s): DOE
Publication Date: December, 2008

Case study describing building in cold and very cold climates.

Author(s): BA-PIRC, FSEC
Organization(s): BA-PIRC, FSEC
Publication Date: April, 2015
Author(s): PNNL
Organization(s): PNNL
Publication Date: March, 2015

Building America Optimized Solution in the cold and very cold climates.

Author(s): PNNL
Organization(s): PNNL
Publication Date: March, 2015

Building America Optimized Solution in the hot-dry and mixed-dry climate.

Author(s): PNNL
Organization(s): PNNL
Publication Date: March, 2015

Building America Optimized Solution in the hot-humid climate.

Author(s): PNNL
Organization(s): PNNL
Publication Date: March, 2015

Building America Optimized Solution in the marine climate.

Author(s): PNNL
Organization(s): PNNL
Publication Date: March, 2015

Building America Optimized Solution in the mixed-humid climate.

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

Case study about the first certified DOE Zero Energy Ready Home—the “Wilson Residence” in Winter Park, Florida.

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

Case study of a DOE Challenge Home in Winter Park FL that scored HERS 57 without PV or HERS -7 with PV. This 4,305 ft2 custom home has autoclaved aerated concrete walls, a sealed attic with R-20 spray foam, and ductless mini-split heat pumps.

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

Case study of a DOE Zero Energy Ready Home in Old Greenwich CT, that scored HERS 42 without PV or HERS 20 with PV. This 2,700 ft2 custom home has advanced framed walls with R-24 blown cellulose plus R-7.5 EPS rigid foam, membrane-coated OSB, a close-cell spray foamed attic, R-13 closed-cell spray foam under the slab and on basement walls, an...

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: October, 2014

Case study about zero energy ready home construction project in the hot-dry climate.

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

The home is the builder’s first home certified to the Passive House Institute standard and their first certified to the high energy performance standards of the U.S. Department of Energy’s Zero Energy Ready Home program.

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

Case study about a DOE Zero Energy Ready Home in the hot-humid climate.

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

Thrive Home Builders built this 2,780-ft2 townhome in Lone Tree, Colorado, 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, 2017

Thrive Home Builders built this 4,119-ft2 home at the Lowry development in Denver, Colorado, to the high-performance criteria of the U.S. Department of Energy’s Zero Energy Ready Home Program.

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): 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): PNNL
Organization(s): PNNL
Publication Date: March, 2014

Case study about family-run Treasure Homes, that achieved a HERS rating of 46 without PV on its prototype “Gem” home, located on the blustery shores of Lake Michigan in northern Indiana.

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

Case study about one builder's conversion to high-performance building in the hot-humid regions of the Atlantic seaboard.

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

Case study describing a new construction project in the cold climate zone.

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): Home Innovation Research Labs
Organization(s): Home Innovation Research Labs
Publication Date: December, 2014

Case study about the Green Home 3 project, which achieved a 44% whole-house energy savings over the Building America New Construction B10 Benchmark, DOE Zero Energy Ready Home certification, and National Green Building Standard Gold-level certification.

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

Case study about a builder in Georgia that designs energy-efficient homes for a green community, yielding homes with HERS scores as lowas 59 and electric bills as low as $50 a month.

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

Case study about new home construction in the marine climate that achieved 50% savings over the 2004 IECC.

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

Case study about a new construction building project of 20 homes that earned HERS scores that represent greater than 50% energy savings in heating and cooling over the 2004 IECC.

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

Case study describing how combination (combi) space and water heating systems can be used in homes with efficient thermal enclosures, decreasing energy consumption and costs.

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

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

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

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