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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 - 50 of 137

Hot Water Solutions

Author(s)
Northwest Energy Efficiency Alliance
Organization(s)
NEEA
Publication Date
Website for consumers describing heat pump water heater technology and linking to retailers and installers.

Development and Validation of Home Comfort System for Total Performance Deficiency/ Fault Detection and Optimal Comfort Control

Author(s)
Jiang Yilin,
Wang Junke,
Song Li,
Tang Choon Yik,
Wang Gang,
Brambley Michael,
Ejenakevwe Kevwe
Organization(s)
University of Oklahoma,
University of Miami,
Pacific Northwest National Laboratory,
PNNL,
U.S. Department of Energy,
DOE
Publication Date
Report examining the use of smart thermostat data to detect performance degradation and optimize comfort control in home AC systems.

Residential Cold Climate Heat Pump Challenge

Author(s)
U.S. Department of Energy
Organization(s)
DOE
Publication Date
Webpage describing a DOE Cold Climate Heat Pump Challenge. The challenge engages industry partners and focuses around the Cold Climate Heat Pumps, a more environmental and efficient heating alternative to traditional heating.

Room Air Conditioners

Author(s)
Energy Saver,
U.S. Department of Energy
Organization(s)
DOE
Publication Date
Web page providing an overview of room-level air conditioning systems such as window units and mini-splits.

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.

Integrated Ventilation System Increases Energy Efficiency and Ease of Installations

Author(s)
National Renewable Energy Laboratory
Organization(s)
NREL
Publication Date
Fact sheet describing the newly developed Ventilation-Integrated Comfort System (VICS) that reduces space requirements and eliminates costly ductwork for separate heating, cooling, and ventilation systems, all while enhancing performance, addressing the demand for energy-efficient homes, and...

Field Validation of a Smart Energy Recovery Ventilation System Using Low-Cost Indoor Air Quality Sensors

Author(s)
Hains Bryant,
Abi Saab Rawad,
Giddings Tylesha,
Magande Hugh,
Grygier Jenna,
Liang Donghai,
Gao Han,
Sarnat Jeremy,
Horner Elliott
Organization(s)
Southface
Publication Date
Technical report on a field validation study that utilizes low-cost indoor air quality sensors to assess a smart ventilation system's effectiveness in maintaining acceptable indoor humidity in low-load homes in humid environments, revealing that while the smart ventilation algorithm demonstrated...

Smart Ventilation Controls Boost Energy Efficiency and Indoor Air Quality

Author(s)
Burkett Helen,
Martin Eric
Organization(s)
National Renewable Energy Laboratory,
NREL
Publication Date
Fact sheet outlining the research behind how smart ventilation controls boost energy efficiency and indoor air quality, including research findings from seasonal temperature, timer, and real-time weather-based controls showing that all three systems showed potential for energy savings while...

Heat Pump Retrofit Strategies for Multifamily Buildings

Author(s)
Steven Winter Associates,
Natural Resources Defense Council
Organization(s)
SWA,
NRDC
Publication Date
Report describing the various heat pump retrofit options for multifamily buildings in the U.S., segmented by building typology and heating system, to support better environmental, economic, and health outcomes.

Field and Laboratory Testing of Approaches to Smart Whole-House Mechanical Ventilation Control

Author(s)
Martin Eric,
Fenaughty Karen,
Parker Danny S
Organization(s)
Building America Partnership for Improved Residential Construction,
BA-PIRC,
Florida Solar Energy Center,
FSEC
Publication Date
Report outlining how Smart ventilation controls (SVC) balance energy consumption, comfort, and IAQ by optimizing mechanical ventilation operation to reduce the heating and/or cooling loads, improve management of indoor moisture, and maintain IAQ equivalence according to ASHRAE 62.2.

Review of Residential Comfort Control Products and Opportunities

Author(s)
Metzger Cheryn E,
Goyal Siddharth,
Baechler Michael C
Organization(s)
Pacific Northwest National Laboratory,
PNNL
Publication Date
This research paper outlines residential HVAC advanced controls and sensors. It includes a technology review, applications, maintenance and commissioning, occupant behavior and a summary of the state-of-the-art technologies for advanced controls for residential HVAC.

A Plug-and-Play Duct System Evaluation

Author(s)
Beach Robert,
Grisolia Anthony,
Dickson Bruce,
Poerschke Andrew,
Rapport Ari
Organization(s)
Integrated Building and Construction Solutions,
IBACOS
Publication Date
Report describing an air distribution system composed of a series of uniformly-sized ducts that terminate in rooms throughout the home and return to a central manifold, similar in fashion to a “home-run” cross-linked polyethylene plumbing system.

Retrofitting Forced Air Combi Systems: A Cold Climate Field Assessment

Author(s)
McAlpine Jake,
Bohac Dave,
Schoenbauer Ben,
Hewett Martha,
Rothgeb Stacey
Organization(s)
NorthernSTAR Building America Partnership,
NorthernSTAR,
University of Minnesota,
UMIN
Publication Date
This project analyzed combined condensing water heaters or boilers and hydronic air coils to provide high efficiency domestic hot water (DHW) and forced air space heating. Called "combi" systems, they provided similar space and water heating performance less expensively than installing two...

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.

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.

Measure Guideline: Passive Vents

Author(s)
Berger David,
Neri Robin
Organization(s)
Consortium for Advanced Residential Buildings,
CARB,
Steven Winter Associates,
SWA
Publication Date
Report describing the use of passive vents as a source of outdoor air in multifamily buildings.

Field Evaluation of Four Novel Roof Designs for Energy-Efficient Manufactured Homes

Author(s)
Dentz Jordan,
Ansanelli Eric,
Dadia D,
Levy Emanuel,
Barker Greg M,
Rath Pournamasi
Organization(s)
Advanced Residential Integrated Energy Solutions,
ARIES
Publication Date
Report of a field evaluation of four novel roof designs to see how each design would reduce space-conditioned energy use so that the knowledge gained could be applied to the design of new manufactured homes.

Analyzing Design Heating Loads in Superinsulated Buildings

Author(s)
Arena Lois
Organization(s)
Consortium for Advanced Residential Buildings,
CARB,
National Renewable Energy Laboratory,
NREL
Publication Date
Report analyzing design heating load sizing methods for superinsulated homes in cold climates and comparing them to the actual energy usage to determine if the building load calculation methodology should be changed for calculating the design heating load of these homes.

Cooling and Heating Season Impacts of Right-Sizing of Fixed- and Variable-Capacity Heat Pumps With Attic and Indoor Ductwork

Author(s)
Cummings James B,
Withers Charles R,
Kono Jamie E
Organization(s)
Florida Solar Energy Center,
FSEC,
U.S. Department of Energy,
DOE,
Building America Partnership for Improved Residential Construction,
BA-PIRC
Publication Date
Report on experiments comparing the cooling and heating seasonal and peak demand performance of different variable-capacity air conditioning and heat pump units.

Exterior Insulation Implications on Heating and Cooling in Cold Climates

Author(s)
Herk Anastasia,
Poerschke Andrew
Organization(s)
Integrated Building and Construction Solutions,
IBACOS
Publication Date
The New York State Energy Research and Development Authority (NYSERDA) is interested in finding cost-effective solutions for deep energy retrofits (DERs) related to exterior wall insulation in a cold climate, with targets of 50% peak load reduction and 50% space conditioning energy savings.

Marine Climate

Author(s)
Pacific Northwest National Laboratory,
U.S. Department of Energy
Organization(s)
PNNL,
DOE
Publication Date

Improving Gas Furnace Performance: A Field and Laboratory Study at End of Life

Author(s)
Brand Larry,
Baker Julie D,
Yee Shannon
Organization(s)
Partnership for Advanced Residential Retrofit,
PARR
Publication Date
Report examining the impacts that common installation practices and age- induced equipment degradation may have on the installed performance of natural gas furnaces, as measured by steady-state efficiency and AFUE.

Deep Energy Retrofits - Source Energy and Carbon Decisions

Author(s)
Less Brennan,
Walker Iain S
Organization(s)
Lawrence Berkeley National Laboratory,
LBNL
Publication Date
Part of a larger LBNL report (Deep Energy Retrofit Guidance for the Building America Solutions Center), the Source Energy and Carbon Decisions chapter helps users carefully assess the impacts of switching from gas to electricity for heating end-uses, using source energy and/or carbon emissions...

Thermostatic Radiator Valve Evaluation

Author(s)
Dentz Jordan,
Ansanelli Eric
Organization(s)
Advanced Residential Integrated Energy Solutions,
ARIES,
Levy Partnership
Publication Date
Report on a project conducted to better understand the current usage of thermostatic radiator valves by key market players in steam and hot water heating and to conduct limited experiments on the effectiveness of new and old thermostatic radiator valves as a means of controlling space temperatures...

Distribution and Room Air Mixing Risks to Retrofitted Homes

Author(s)
Burdick Arlan
Organization(s)
Integrated Building and Construction Solutions,
IBACOS
Publication Date
Report outlining the issues with using existing ducts with a new low-load HVAC system, which reduces throw at supply registers causing decreased mixing of supply and room air, leading to potential thermal comfort complaints.

Duct System Flammability and Air Sealing Fire Separation Assemblies in the International Residential Code

Author(s)
Prahl Duncan,
Rudd Armin
Organization(s)
Integrated Building and Construction Solutions,
IBACOS,
U.S. Department of Energy,
DOE
Publication Date
Report identifying two barriers that limit the ability of builders to explore opportunities for higher levels of energy efficiency in housing: the use of duct system materials that inherently achieve airtightness and are right-sized for low-load houses, and, the ability to air seal fire separation...

Residential Mechanical Precooling

Author(s)
German Alea,
Hoeschele Marc
Organization(s)
Alliance for Residential Building Innovation,
ARBI,
Davis Energy Group
Publication Date
Report evaluating mechanical AC precooling strategies in homes as a method for improving the load factor by shifting cooling operation from on-peak to off-peak hours.

Evaluation of Ventilation Strategies in New Construction Multifamily Buildings

Author(s)
Maxwell Sean,
Berger David,
Zuluaga Marc
Organization(s)
Consortium for Advanced Residential Buildings,
CARB,
Steven Winter Associates,
SWA,
U.S. Department of Energy,
DOE
Publication Date
Report describing research that helps inform best practices for air-sealing multifamily buildings in the Northeast.

Energy Savings and Peak Demand Reduction of a SEER 21 Heat Pump vs. a SEER 13 Heat Pump with Attic and Indoor Duct Systems

Author(s)
Cummings James B,
Withers Charles R
Organization(s)
Building America Partnership for Improved Residential Construction,
BA-PIRC,
Florida Solar Energy Center,
FSEC
Publication Date
Research study describing experiments run in an unoccupied 1600 square foot house to evaluate the delivered performance as well as the relative performance of a SEER 21 variable capacity heat pump versus a SEER 13 heat pump.

Impact of Residential Mechanical Ventilation on Energy Cost and Humidity Control

Author(s)
Martin Eric
Organization(s)
Building Science Corporation,
BSC,
Florida Solar Energy Center,
FSEC,
Integrated Building and Construction Solutions,
IBACOS
Publication Date
The study described in this white paper is based on building energy modeling with an important focus on the indoor humidity impacts of ventilation.

Air Distribution Retrofit Strategies for Affordable Housing

Author(s)
Dentz Jordan,
Conlin Francis,
Holloway Parker,
Podorson David,
Varshney Kapil
Organization(s)
Advanced Residential Integrated Energy Solutions,
ARIES,
Levy Partnership,
National Renewable Energy Laboratory,
NREL,
U.S. Department of Energy,
DOE
Publication Date
Report describing two retrofit duct sealing techniques - manually-applied sealants and injecting a spray sealant, that were implemented in several low-rise multi-unit buildings in North Carolina.

Measure Guideline: Condensing Boilers - Optimizing Efficiency and Response Time During Setback Operation

Author(s)
Arena Lois
Organization(s)
Consortium for Advanced Residential Buildings,
CARB,
Steven Winter Associates,
SWA,
National Renewable Energy Laboratory,
NREL
Publication Date
Report providing step-by-step instructions for heating contractors and hydronic designers for selecting the proper control settings to maximize system performance and improve response time when using a thermostat setback.

Measure Guideline: Selecting Ventilation Systems for Existing Homes

Author(s)
Aldrich Robb
Organization(s)
Consortium for Advanced Residential Buildings,
CARB,
Steven Winter Associates,
SWA,
U.S. Department of Energy,
DOE
Publication Date
This document addresses adding—or improving—mechanical ventilation systems to existing homes. The purpose of ventilation is to remove contaminants from homes either directly or by dilution. This report discusses where, when, and how much ventilation is appropriate in a home, including some...

Evaluation of Ventilation Strategies in New Construction Multifamily Building

Author(s)
Maxwell Sean,
Berger David,
Zaluga M
Organization(s)
Consortium for Advanced Residential Buildings,
CARB,
U.S. Department of Energy,
DOE
Publication Date
Technical report describing the evaluation of four different ventilation strategies for providing make-up air in high-performance, new construction multifamily buildings in the Northeast, emphasizing the challenges posed by increasing airtightness standards and the variability of system performance...

Comfort and HVAC Performance for a New Construction Occupied Test House in Roseville, California

Author(s)
Burdick Arlan
Organization(s)
Integrated Building and Construction Solutions,
IBACOS,
U.S. Department of Energy,
DOE
Publication Date
Report summarizing one year of monitoring and analysis of the effectiveness of a space conditioning system at maintaining temperature and relative humidity levels in a test home, as well as room-to-room differences and the actual measured energy consumption by the space conditioning system.

Optimizing Hydronic System Performance in Residential Applications

Author(s)
Arena Lois,
Faakye Omari
Organization(s)
Consortium for Advanced Residential Buildings,
CARB,
Steven Winter Associates,
SWA,
National Renewable Energy Laboratory,
NREL
Publication Date
Research study using modeling to determine optimal combination(s) of components/pumps, high efficiency heat sources, plumbing configurations and controls that result in the highest overall efficiency for a hydronic system.

Overheating in Hot-Water and Steam-Heated Multifamily Buildings

Author(s)
Dentz Jordan,
Henderson Hugh,
Podorson David
Organization(s)
Advanced Residential Integrated Energy Solutions,
ARIES,
Levy Partnership,
National Renewable Energy Laboratory,
NREL,
U.S. Department of Energy,
DOE
Publication Date
Report providing information to researchers, utility program managers, and building owners interested in controlling heating energy waste and improving resident comfort.

Flexible Residential Test Facility: Impact of Infiltration and Ventilation on Measured Heating Season Energy and Moisture Levels

Author(s)
Parker Danny S,
Vieira Robin K,
Sherwin John S,
Withers Charles R,
Hoak David,
Fairey Philip W
Organization(s)
Building America Partnership for Improved Residential Construction,
BA-PIRC,
Florida Solar Energy Center,
FSEC
Publication Date
Research study outlining savings from reducing air infiltration, with and without the addition of mechanical ventilation, using two identical laboratory homes designed to model existing Florida building stock.

Measured Performance of a Low Temperature Air Source Heat Pump

Author(s)
Johnson R K
Organization(s)
Consortium for Advanced Residential Buildings,
CARB,
Steven Winter Associates,
SWA,
U.S. Department of Energy,
DOE
Publication Date
Research study outlining results of monitoring a low temperature heat pump.

High-Efficiency Window Air Conditioners

Author(s)
U.S. Department of Energy
Organization(s)
DOE
Publication Date
Factsheet profiling a simple modification that can be made to window air-conditioners to improve their energy efficiency.

Systems Evaluation at the Cool Energy House

Author(s)
Puttagunta Srikanth,
Williamson James
Organization(s)
Consortium for Advanced Residential Buildings,
CARB,
Steven Winter Associates,
SWA,
U.S. Department of Energy,
DOE
Publication Date
Report providing performance results of a home's heat pump water heater and whole-house dehumidifier over a six-month period.