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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 - 5 of 5

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.

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.

Performance of Combination Hydronic Systems

Author(s)
Butcher Thomas
Organization(s)
American Society of Heating Refrigerating and Air-Conditioning Engineers,
ASHRAE
Publication Date
Article investigating how a linear input/output relationship can be used as a simple model of the performance of a combination hydronic heating system over heating only, DHW only, and combined 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.