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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): PNNL
Organization(s): PNNL
Publication Date: December, 2009

Case study about new home construction in the hot-humid climate, optimizing thermal enclosure, HVAC, water heating and lighting measures.

Author(s): PNNL
Organization(s): ARIES, the Levy Partnership, PNNL
Publication Date: December, 2014

Case study on a DOE 2014 top innovation about the development and testing of a new attic insulation method for dense packing the shallow attic space in manufactured homes with blown fiberglass insulation; research was conducted by the Levy Partnership.

Author(s): Mallay
Organization(s): HIRL
Publication Date: January, 2016
Report on heating and cooling air-distribution ducts that are insulated, installed close to the ceiling in a vented attic and covered with attic insulation to minimize energy loss.
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, 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

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

Case study about a whole-house, deep energy retrofit project in the marine climate.

Publication Date: September, 2015
Case study on the retrofit of a 1960s split-level home.
Author(s): Levy, Dentz, Ansanelli, Barker, Rath, Dadia
Organization(s): ARIES Collaborative
Publication Date: December, 2015

Report a field evaluation of four novel roof designs in energy-efficient manufactured homes.

Author(s): Ueno, Lstiburek
Organization(s): BSC
Publication Date: September, 2015
Report to understand the long-term moisture performance of unvented roof assemblies with fibrous insulation.
Author(s): FSEC
Organization(s): FSEC
Publication Date: March, 2014

Case study about a new home construction project in Florida.

Author(s): Home Innovation Research Labs
Organization(s): HIRL
Publication Date: February, 2016

Case study on compact buried ducts in hot-humid climate homes.

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

Case study about a new home builder that strives to address health, safety, and durability issues in a hot and humid climate.

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

Case study about a home builder that has refined its home designs to achieve HERS scores of 49 to 56 on 40 to 70 homes per year.

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

Case study about a production builder that achieves HERS scores of 60, compared to 85 for other builders that build new homes to Florida code.

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: September, 2015
Case study describing an experiment to build and instrument unvented test roofs using air-permeable insulation in a cold climate and to analyze the moisture effects over time.