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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): Mittereder, Poerschke
Organization(s): IBACOS
Publication Date: June, 2017

This case study presents a cold-climate project that examines an alternative approach to ground source heat pump (GSHP) ground loop design. The innovative ground loop design is an attempt to reduce the installed cost of the ground loop heat exchange portion of the system by containing the entire ground loop within the excavated location...

Author(s): Poerschke, Beach, Beggs
Organization(s): IBACOS
Publication Date: June, 2017

IBACOS investigated the performance of a small-diameter high-velocity heat pump system compared to a conventional system in a new construction triplex townhouse. A ductless heat pump system also was installed for comparison, but the homebuyer backed out because of aesthetic concerns about that system. In total, two buildings, having identical...

Author(s): BSC
Organization(s): BSC
Publication Date: July, 2010

Case study of a Concord Cape Cod style home began in August 2008 by architects and engineers at Buliding Science Corporation, who developed the drawing set and specifications for the high performance custom home to be built in Concord, Massachusetts.

Author(s): Less, Walker, Tang
Organization(s): LBNL
Publication Date: August, 2015
The main principle of smart ventilation used in this study is to shift ventilation from time periods with large indoor-outdoor temperature differences, to periods where these differences are smaller, and their energy impacts are expected to be less.
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: September, 2009

Case study describing a retrofit project in the hot-dry and mixed-dry climate zones.

Author(s): Walker, Stratton
Organization(s): LBNL
Publication Date: August, 2015
Report on performance of current diagnostics as well as a draft test method for use in future air flow evaluations.
Author(s): Walker, Stratton
Organization(s): LBNL
Publication Date: August, 2015
Guidance on performance of current diagnostics as well as a draft test method for use in future air flow evaluations.
Author(s): PNNL
Organization(s): PNNL
Publication Date: April, 2012

Case study about design and testing 10 high-performance homes in Farmington, Connecticut.

Author(s): BSC
Organization(s): BSC
Publication Date: April, 2009

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

Publication Date: October, 2015
Case study on using advanced controls to improve performance of combination space and water heating systems.
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.

Publication Date: August, 2015
Report on the long-term monitoring of mini-split ductless heat pumps.
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): 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.