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Library

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.

Showing results 1 - 9 of 9

Combined Space and Water Heating: Next Steps to Improved Performance

Author(s)
Bohac Dave,
Schoenbauer Ben,
Huelman Patrick H
Organization(s)
University of Minnesota,
UMN,
NothernSTAR,
NSTAR,
U.S. Department of Energy,
DOE
Publication Date
Report describing combined space- and water-heating (combi) systems using a high-efficiency direct-vent burner.

Interaction between Heat Pump Water Heaters or Other Internal Point Source Loads and a Central Heating System

Author(s)
Widder Sarah H,
Metzger Cheryn E,
McIntosh Joshua A,
Petersen Joseph M
Organization(s)
Northwest Energy Efficiency Alliance,
NEEA,
Pacific Northwest National Laboratory,
PNNL
Publication Date
Report describing the objective evaluation of space conditioning interactions between heat pump water heaters and home heating systems during winter 2016-2017, revealing a smaller than anticipated impact on space conditioning loads.

Low-Cost Solar Water Heating Research and Development Roadmap

Author(s)
Hudon Kate,
Merrigan Tim,
Burch Jay,
Maguire Jeff
Organization(s)
National Renewable Energy Laboratory,
NREL
Publication Date
Report identifying the target market for solar water heaters and potential pathways and cost/performance targets that must be met for these systems to realize large energy savings.

Measure Guideline: Combined Space and Water Heating Installation and Optimization

Author(s)
Bohac Dave,
Schoenbauer Ben,
Huelman Patrick H
Organization(s)
NorthernSTAR Building America Partnership,
NorthernSTAR,
University of Minnesota,
UMN
Publication Date
Report describing the installation and operation of forced-air heating and domestic hot water combi systems in residential homes.

Residential Ground Source Heat Pumps with Integrated Domestic Hot Water Generation: Performance Results from Long-Term Monitoring

Author(s)
Stecher Dave,
Allison Katherine
Organization(s)
Integrated Building and Construction Solutions,
IBACOS,
National Renewable Energy Laboratory,
NREL,
American Society of Heating Refrigerating and Air-Conditioning Engineers,
ASHRAE
Publication Date
Report discussing instrumentation methods and field operation characteristics of two GSHPs in test houses, including a comparison between the manufacturers listed COP values and the COPs calculated from field data.

Strategy Guideline: Proper Water Heater Selection

Author(s)
Staller J,
Springer David,
German Alea,
Hoeschele Marc,
Zhang Y
Organization(s)
Alliance for Residential Building Innovation,
ARBI,
National Renewable Energy Laboratory,
Davis Energy Group,
U.S. Department of Energy,
DOE
Publication Date
Report about proper water heater selection developed to provide step-by-step procedures for evaluating preferred cost-effective options for energy efficient water heater alternatives based on local utility rates, climate, and anticipated loads.

Understanding HPWH Interaction with Space Conditioning Systems in the Field

Author(s)
Larson Ben
Organization(s)
Ecotope,
American Council for an Energy-Efficient Economy,
ACEEE
Publication Date
Presentation report detailing Heat Pump Water Heater (HPWH) interaction with space conditioning systems in real-life test scenarios that explains some of the problems arising from these interaction and information that can be used to make the system more efficient.