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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 98

Moisture Performance of Unvented Attics with Vapor Diffusion Ports and Buried Ducts in Hot, Humid Climates

Author(s)
Kaufman Zoe,
Fontanini Anthony,
Withers Charles R,
Marden Craig,
Ueno Kohta,
Philip Ross,
Barker Greg M,
Hancock Ed,
Earle Lieko,
Garber-Slaght Robbin,
Meleika Sam
Organization(s)
National Renewable Energy Laboratory,
NREL,
U.S. Department of Energy,
DOE
Publication Date
Report on the use of vapor diffusion ports to reduce moisture issues with buried ductwork in unvented attics in hot-humid climates.

Manufactured Home Factory Duct Leakage Testing

Author(s)
Slipstream
Organization(s)
U.S. Department of Energy,
DOE
Publication Date
Factsheet describing how to test the duct leakage of a manufactured home in the manufactured home factory.

Achieving Ducts in Conditioned Space

Author(s)
National Renewable Energy Laboratory,
U.S. Department of Energy
Organization(s)
NREL,
DOE
Publication Date
Fact sheet describing best strategies to bring ductwork on single-story homes with a slab-on-grade foundation in hot, dry climates into the conditioned envelope of the home intending to highlight the pros and cons of multiple ductwork integration strategies, including traditional duct systems in...

9 Recommended Practices for Cold-Climate Ductless Heat Pump Installations

Author(s)
BetterBuilt Northwest,
Northwest Energy Efficiency Alliance
Organization(s)
BetterBuiltNW,
NEEA
Publication Date
Web page describing essential guidelines and recommendations for optimal installation of ductless heat pumps in cold climates, ensuring maximum heating performance and long-term satisfaction for homeowners, supported by research-backed insights and detailed resources.

The NADCA Standard for Assessment, Cleaning & Restoration of HVAC Systems

Author(s)
National Air Duct Cleaners Association
Organization(s)
NADCA
Publication Date
Standard providing industry-backed information for assessing new and existing HVAC systems, evaluating and verifying the cleanliness of HVAC system components, preventing job related hazards and guiding the cleaning and restoration of HVAC systems to a specific level of cleanliness.

Monitoring of Unvented Roofs with Fibrous Insulation, Diffusion Vents, and Interior Vapor Control in a Cold Climate

Author(s)
Ueno Kohta,
Lstiburek Joseph W
Organization(s)
Building Science Corporation,
BSC
Publication Date
Report detailing a three-winter study on unvented roof assemblies in a cold climate, assessing insulation material, ridge diffusion vent presence, vapor control membranes, relative humidity, and interstitial airflow. Results indicate that utilizing air-permeable fibrous fill insulations in unvented...

Monitoring of Unvented Roofs with Fibrous Insulation, Diffusion Vents, and Interior Vapor Control in a Cold Climate

Author(s)
Ueno Kohta,
Lstiburek Joseph W
Organization(s)
Building Science Corporation,
BSC
Publication Date
Report detailing a three-winter study on unvented roof assemblies in a cold climate, assessing insulation material, ridge diffusion vent presence, vapor control membranes, relative humidity, and interstitial airflow; results indicate that utilizing air-permeable fibrous fill insulations in unvented...

Air Sealing Colorado Homes – 10.634

Author(s)
Weiner C.
Organization(s)
Colorado State University,
U.S. Department of Agriculture,
USDA
Publication Date
Fact sheet describing air-sealing concerns and remedies, including HRV/ERV installation, caulking, spray foam, and weatherstrip installation.

ACCA Manual ZR – Residential Zoning Systems

Author(s)
Air Conditioning Contractors of America
Organization(s)
ACCA
Publication Date
Technical manual from ACCA outlining correct methods for zoning of residential HVAC systems.

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.

No Sweat, BSI-094

Author(s)
Lstiburek Joseph W
Organization(s)
Building Science Corporation,
BSC
Publication Date
Guide providing information on controlling attic ductwork sweating.

Standard for testing Airtightness of Building Enclosures, Airtightness of Heating and Cooling Air Distribution Systems, and Airflow of Mechanical Ventilation Systems, ANSI/RESNET/ICC 380-2016

Author(s)
International Code Council,
Residential Energy Services Network,
American National Standards Institute
Organization(s)
ICC,
RESNET,
ANSI
Publication Date
This Standard provides a consistent, uniform methodology for evaluating the airtightness of building envelopes and heating and cooling air ducts and the air flows of mechanical ventilation systems.

Compact Buried Ducts in a Hot-Humid Climate House

Author(s)
Mallay David
Organization(s)
Home Innovation Research Labs,
HIRL
Publication Date
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.

National HVAC Design Report 1

Author(s)
ENERGY STAR,
U.S. Environmental Protection Agency
Organization(s)
EPA
Publication Date
This report is designed to meet ASHRAE 62.2-2010/2013 and ANSI/ACCA’s 5 QI-2015 protocol, thereby improving the performance of HVAC equipment in new homes when compared to homes built to minimum code.

Venting Vapor, BSI-088

Author(s)
Lstiburek Joseph W
Organization(s)
Building Science Corporation,
BSC
Publication Date
Guide providing information on controlling attic ductwork sweating.

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.

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.

Residential Ducts in Conditioned Space / High Performance Attics

Author(s)
Wei Julianna,
Pande Abhijeet,
Chappell Cathy,
Christie Matthew,
Dawe Megan
Organization(s)
TRC Energy Services
Publication Date
Report proposes high performance duct measures for inclusion in California Title 24 building energy efficiency standards for 2016.

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...

Raised Ceiling Interior Duct System

Author(s)
U.S. Department of Energy
Organization(s)
DOE
Publication Date
DOE case study findings on raised ceiling interior duct systems.

Method of Test for Determining the Design and Seasonal Efficiencies of Residential Thermal Distribution Systems, ANSI/ASHRAE Standard 152-2014

Author(s)
American Society of Heating Refrigeration and Air-Conditioning Engineers,
American National Standards Institute
Organization(s)
ASHRAE,
ANSI
Publication Date
Standard that prescribes a testing method to determine the efficiency of space heating and/or cooling thermal distribution systems under seasonal and design conditions. This version of the standard was published in the year 2014, and is available for preview and purchase at the reference link. The...

Investigation of Potential Benefits of Revising Exception 1 under “FLORIDA BUILDING CODE, ENERGY CONSERVATION, Section 101.4.7.1.1 Duct Sealing upon Equipment Replacement.”

Author(s)
McIlvaine Janet E R,
Beal David
Organization(s)
Florida Solar Energy Center,
FSEC
Publication Date
Report describing as-found interior platform return plenums, the magnitude of their contribution to the total amount of duct leakage, and techniques and results of retrofits executed by the HVAC trade during equipment replacement.

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.

HVAC Duct Supports, AC 284

Author(s)
International Code Council
Organization(s)
ICC
Publication Date
Standards criteria supporting ICC HVAC duct support standards.

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.

Buried and Encapsulated Ducts, Jacksonville Florida

Author(s)
Consortium for Advanced Residential Buildings,
U.S. Department of Energy
Organization(s)
CARB,
DOE
Publication Date
Reference investigating the strategy of using buried and/or encapsulated ducts to reduce duct thermal losses in residential buildings.

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.

Retrofit of a MultiFamily Mass Masonry Building in New England

Author(s)
Ueno Kohta,
Kerrigan Philip,
Wytrykowska Honorata,
Van Straaten R
Organization(s)
Building Science Corporation,
BSC
Publication Date
Research study about a high performance retrofit of an existing brick building (a former convent) into condominiums, all affordable housing.

Evaluation of Retrofit Delivery Packages

Author(s)
Berman Mark,
Smith Pepper,
Porse Erik
Organization(s)
Alliance for Residential Building Innovation,
ARBI,
Davis Energy Group
Publication Date
Report evaluating opportunities to improve and streamline delivery of residential retrofit measures.

Validation of a Hot Water Distribution Model Using Laboratory and Field Data

Author(s)
Backman Christine,
Hoeschele Marc
Organization(s)
Alliance for Residential Building Innovation,
ARBI,
National Renewable Energy Laboratory,
NREL,
Davis Energy Group,
U.S. Department of Energy,
DOE
Publication Date
Research study comparing TRNSYS Type 604 pipe model against laboratory pipe heat loss test data and detailed field monitoring data.

Strategy Guideline: Compact Air Distribution Systems

Author(s)
Burdick Arlan
Organization(s)
Integrated Building and Construction Solutions,
IBACOS,
U.S. Department of Energy,
DOE
Publication Date
Document covering the pros and cons of compact air distribution systems and the decision criteria that must be considered early in the whole-house design process.

Measure Guideline: Condensing Boilers - Control Strategies for Optimizing Performance and Comfort in Residential Applications

Author(s)
Arena Lois
Organization(s)
Consortium for Advanced Residential Buildings,
CARB,
Steven Winter Associates,
SWA,
National Renewable Energy Laboratory,
NREL
Publication Date
Document intended for designers and installers of hydronic heating systems interested in maximizing the overall system efficiency of condensing boilers when coupled with baseboard convectors. It is applicable to new and retrofit projects.

Measured Cooling Performance and Potential for Buried Duct Condensation in a 1991 Central Florida Retrofit Home

Author(s)
Chasar Dave,
Withers Charles R
Organization(s)
Building America Partnership for Improved Residential Construction,
BA-PIRC,
Florida Solar Energy Center,
FSEC,
U.S. Department of Energy,
DOE
Publication Date
Research study analyzing measured energy savings from a moderate retrofit by comparing post-retrofit performance with measured pre-retrofit monitored data.

Reducing Thermal Losses and Gains With Buried and Encapsulated Ducts in Hot-Humid Climates

Author(s)
Shapiro Carl,
Magee A,
Zoeller William
Organization(s)
Consortium for Advanced Residential Buildings,
CARB,
Steven Winter Associates,
SWA,
U.S. Department of Energy,
DOE
Publication Date
Report including an overview of the buried duct research and information the retrofit methodology used to install and test the three existing duct systems, including short- and long-term data collection.

ADC Flexible Duct Performance & Installation Standards

Author(s)
Air Duct Council
Organization(s)
ADC
Publication Date
Standard for use and reference by designers, architects, engineers, contractors, installers and users for evaluating, selecting, specifying and properly installing flexible duct in heating and air conditioning systems.

Expert Meeting: Optimized Heating Systems Using Condensing Boilers and Baseboard Convectors

Author(s)
Arena Lois
Organization(s)
Consortium for Advanced Residential Buildings,
CARB,
National Renewable Energy Laboratory,
NREL,
Steven Winter Associates,
SWA
Publication Date
Expert meeting held to review and discuss results and future plans for research to improve the performance of hydronic heating systems using condensing boilers and baseboard convectors.

Evaluation of Northern Illinois Residential Retrofit Delivery Practices

Author(s)
Brand Larry,
Kerr Ryan,
Rowley Patricia
Organization(s)
Partnership for Advanced Residential Retrofit,
PARR,
National Renewable Energy Laboratory,
NREL,
Gas Technology Institute,
GTI Energy,
Midwest Energy Efficiency Alliance,
MEEA,
CNT Energy,
Elevate Energy,
Future Energy Enterprises,
U.S. Department of Energy,
DOE
Publication Date
Document reviewing four cold-climate northern Illinois energy efficiency retrofit programs to identify practices, tools, and approaches to streamline and reduce costs of comprehensive retrofits, and to improve the consistency of audit and retrofit delivery practices across different programs.

Measure Guideline: Transitioning to a Tankless Water Heater

Author(s)
Brozyna Kevin,
Rapport Ari
Organization(s)
Integrated Building and Construction Solutions,
IBACOS,
National Renewable Energy Laboratory,
NREL,
U.S. Department of Energy,
DOE
Publication Date
Document developed to help residential builders and retrofitters transition from tank-type water heaters to tankless water heaters.