Case Studies

Showing results 51 - 100 of 580

Author(s)
Hoeschele,
Weitzel,
Backman
Organization(s)
ARBI
Publication Date
Description
This project completed a modeling evaluation of a hybrid gas water heater that combines a reduced capacity tankless unit with a downsized storage tank. This product would meet a significant market need by providing a higher efficiency gas water heater solution for retrofit applications while...
Author(s)
Hoeschele,
Seitzler
Organization(s)
ARBI
Publication Date
Description
Heat pump water heaters offer a significant opportunity to improve water heating performance for the over 40% of U.S. households that heat domestic hot water using electric resistance storage water heaters. Numerous field studies have also been completed documenting performance in a variety of...
Author(s)
Colon,
Martin
Organization(s)
BA-PIRC
Publication Date
Description
The Florida Solar Energy Center (FSEC) has completed a fourth year-long evaluation on residential hot water heating systems in a laboratory environment (east central Florida, hot-humid climate). This report contains a summary of research activities regarding the evaluation of two residential...
Author(s)
Colon,
Martin
Organization(s)
BA-PIRC
Publication Date
Description
The Florida Solar Energy Center (FSEC) has completed a fourth year-long evaluation on residential hot water heating systems in a laboratory environment (east central Florida, hot-humid climate). This report contains a summary of research activities regarding the evaluation of two residential...
Author(s)
Schirber,
Schoenbauer
Organization(s)
NorthernSTAR
Publication Date
Description
High performance water heaters are typically more time consuming and costly to install in retrofit applications, making high performance water heaters difficult to justify economically. However, recent advancements in high performance water heaters have targeted the retrofit market, simplifying...
Author(s)
Mittereder,
Poerschke
Organization(s)
IBACOS
Publication Date
Description
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...
Author(s)
Poerschke,
Beach,
Beggs
Organization(s)
IBACOS
Publication Date
Description
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...
Author(s)
PNNL
Organization(s)
PNNL
Publication Date
Description
Tankless water heaters can deliver large quantities of hot water under changing load conditions and at a relatively constant temperature, like storage water heaters, but without suffering the standby loss (tank heat loss) of the storage water heaters.
Author(s)
PNNL
Organization(s)
PNNL
Publication Date
Description
Case study about a DOE Building America 2012 Top Innovation on the Building America Solution Center, a website developed by Pacific Northwest National Laboratory for the U.S. Department of Energy Building America program to provide builders, contractors, code officials, raters, home owners, etc...
Author(s)
PNNL
Organization(s)
PNNL,
CARB,
Steven Winter Associates
Publication Date
Description
Case study on a DOE Building America 2013 top innovation describing research by the Consortium for Advanced Residential Buildings (CARB), a Building America research team led by Steven Winter Associates, on HVAC ducts located in vented attics that are encapsulated in foam and buried in attic...
Author(s)
PNNL
Organization(s)
PNNL,
IBACOS,
BSC
Publication Date
Description
This case study about a DOE Building America 2013 Top Innovation features a community-scale project in Tucson, AZ, where solar water heaters generated enough hot water per year to recoup the cost of the system within 4 to 6 years.The homes were built by Pulte with technical assistance from DOE...
Author(s)
PNNL
Organization(s)
PNNL,
PHI,
HIRL,
BSC,
NorthernSTAR,
University of Minnesota
Publication Date
Description
Case study describing a DOE 2013 top innovation - best practices for the installation of rigid foam insulation on teh exterior of home roofs and walls as a thermal, air, and moisture barrier. Research was conducted by DOE Building America partners Home Innovation Research Labs, Building Science...
Author(s)
PNNL
Organization(s)
IBACOS,
BSC,
PHI,
HIRL,
PNNL
Publication Date
Description
Case study about a 2013 DOE top innovation on quality management tools for builders, trades and designers to help eliminate mistakes that would require high-cost rework, based on work by Building America research partners IBACOS, Inc., Building Science Corporation (BSC), and the Home Innovation...
Author(s)
PNNL
Organization(s)
ARBI,
CARB,
SWA,
FSEC,
BA-PIRC,
BSC,
IBACOS,
PHI,
HIRL,
PNNL
Publication Date
Description
Case study on a DOE 2013 top innovation about construction of net-zero energy ready homes, by several builders working with various DOE Building America research partners including Steven Winter Associates, Building Science Corporation, Home Innovation Research Labs, IBACOS, Davis Energy Group, and...
Author(s)
PNNL
Organization(s)
LBNL,
BSC,
FSEC,
WSU Energy Office,
Building Research Council,
Southface,
PNNL
Publication Date
Description
Case study on a DOE 2014 top innovation on research that was instrumental in developing and gaining adoption of the ASHRAE 62.2 ventilation standard. The research and standards work was conducted by Lawrence Berkeley National Laboratory, and Building America research partners Building Science...
Author(s)
PNNL,
BARA
Organization(s)
PNNL,
BARA
Publication Date
Description
Case study on a DOE 2014 top innovation about research leading to use of the Home Energy Rating System (HERS) software to auto-generate a fact-filled Green and Energy Efficiency Addendum intended for real estate appraisers for every home rated by a RESNET-certified HERS rater. Research was conducted...
Author(s)
BSC
Organization(s)
BSC
Publication Date
Description
Case study describing a building project in the cold and very-cold climate zones.
Author(s)
BSC
Organization(s)
BSC
Publication Date
Description
Case study about a new construction project in Hilton Head, SC utilizing a whole-house performance approach.
Author(s)
BSC
Organization(s)
BSC
Publication Date
Description
Case study describing a building project in the mixed-humid climate zone.
Author(s)
Herk,
Beggs
Organization(s)
IBACOS
Publication Date
Description
Report outlining the steps developers can take to create high-performance standards on a community-wide scale.
Author(s)
Mallay
Organization(s)
HIRL
Publication Date
Description
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)
BSC
Organization(s)
BSC
Publication Date
Description
Case study about a new construction project designed to achieve an 87% reduction in source energy use when compared to the 2009 Building America Benchmark.
Author(s)
BSC
Organization(s)
BSC
Publication Date
Description
Case study about a retrofit project designed to show that advanced energy goals could be met today in existing housing.