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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.

Author(s): Roberts, Lay
Organization(s): National Renewable Energy Laboratory, EnerNOC
Publication Date: March, 2013

Report discussing the measured variability in indoor space temperatures in a set of 60 homes located in Florida, New York, Oregon, and Washington.

Author(s): Dentz, Ansanelli
Organization(s): ARIES, Levy Partnership
Publication Date: January, 2015

In this project aimed to better understand the current usage of TRVs by key market players in steam and hot water heating and to conduct limited experiments on the effectiveness of new and old TRVs as a means of controlling space temperatures and reducing heating fuel consumption.

Author(s): Booten
Organization(s): National Renewable Energy Laboratory
Publication Date: June, 2013

Case study providing homeowners guidance on installing window air conditioners.

Author(s): Williamson, Puttagunta
Organization(s): CARB, Steven Winter Associates, SWA
Publication Date: September, 2013

Report providing performance results of a home's heat pump water heater and whole-house dehumidifier over a six-month period.

Author(s): Steven Winter Associates
Organization(s): CARB, Steven Winter Associates, SWA
Publication Date: January, 2010

Information sheet about HVAC equipment design to maximize energy efficiency in the hot-dry climate zone.

Author(s): Metzger, Goyl, Baechler
Organization(s): Pacific Northwest National Laboratory
Publication Date: October, 2017

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.

Author(s): Schoenbauer, Bohac, McAlpine, Hewett
Organization(s): NorthernSTAR, University of Minnesota
Publication Date: June, 2017

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 condensing appliances. The system's...

Author(s): Schoenbauer, Bohac, Huelman, Olson, Hewett
Organization(s): NorthernSTAR, National Renewable Energy Laboratory
Publication Date: October, 2012

Report presenting results of a laboratory experiment studying combi systems as a mode to eliminate safety issues associated with natural draft appliances.

Author(s): Shapiro, Aldrich, Arena
Organization(s): CARB, National Renewable Energy Laboratory, Steven Winter Associates, SWA
Publication Date: July, 2012

Report describing procedures for increasing sensible efficiencies through increased flow rates across the air handling unit and increased indoor coil sizes.

Author(s): German, Hoeschele
Organization(s): ARBI, Davis Energy Group
Publication Date: December, 2014

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.

Author(s): Stetcher, Allison
Organization(s): IBACOS, NREL
Publication Date: November, 2012
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.
Author(s): Arena, Faakye
Organization(s): CARB, Steven Winter Associates, SWA
Publication Date: October, 2013

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.

Author(s): Dentz, Podorson, Varshney
Organization(s): ARIES, National Renewable Energy Laboratory, Levy Partnership
Publication Date: May, 2014

This report investigates whether mini-split heat pumps can live up to their potential for one market segment: multifamily retrofits.

Author(s): Johnson
Organization(s): CARB, Steven Winter Associates, SWA
Publication Date: September, 2013

Research study outlining results of monitoring a low temperature heat pump.

Author(s): Brand, Rose
Organization(s): PARR, National Renewable Energy Laboratory, Gas Technology Institute
Publication Date: October, 2012

Document covering installation of high efficiency gas furnaces.

Author(s): German, Dakin, Hoeschele
Organization(s): ARBI, National Renewable Energy Laboratory, Davis Energy Group
Publication Date: March, 2012

Report about evaporative condensers, to provide information on a cost-effective solution for energy and demand savings in homes with cooling loads.

Author(s): Arena
Organization(s): CARB, Steven Winter Associates, SWA
Publication Date: February, 2014

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.

Author(s): Arena
Organization(s): CARB, Steven Winter Associates, SWA
Publication Date: May, 2013

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.

Author(s): Schoenbauer, Bohac, Huelman
Organization(s): NorthernSTAR, University of Minnesota
Publication Date: March, 2017

Report describing the installation and operation of forced-air heating and domestic hot water combi systems in residential homes. 

Author(s): Rudd
Organization(s): Building Science Corporation, National Renewable Energy Laboratory
Publication Date: August, 2012

Document pertaining to design and application guidance for combination space and tankless domestic hot water heating systems used in residential buildings, based on field evaluation, testing, and industry meetings.

Author(s): Springer, Dakin
Organization(s): ARBI, Davis Energy Group
Publication Date: March, 2013

Document targeting home performance contractors who are relatively inexperienced with HVAC systems, HVAC technicians who can benefit from recent research on AC system faults and diagnostic methods, and program managers who may apply this information in structuring successful HVAC tune-up programs.

Author(s): Ueno, Loomis
Organization(s): Building Science Corporation

Report on the long-term performance of mini-split heat pumps.

Author(s): Winkler
Organization(s): National Renewable Energy Laboratory
Publication Date: September, 2011

Report proposing mini-split heat pumps as a new retrofit option to replace resistance heating in the Pacific Northwest.

Author(s): Winkler, Booten, Christensen, Tomerlin
Organization(s): National Renewable Energy Laboratory
Publication Date: March, 2013

Report providing information about laboratory testing of four residential window air conditioners.

Author(s): Brand, Yee, Baker
Organization(s): PARR
Publication Date: August, 2013
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.
Author(s): Winkler
Organization(s): National Renewable Energy Laboratory
Publication Date: March, 2012

Presentation on Improving Air-Conditioner and Heat Pump Modeling.

Author(s): Dentz, Henderson
Organization(s): ARIES, Levy Partnership
Publication Date: April, 2012

Report evaluating the relative effectiveness of various control and distribution strategies to improve hydronic space heating performance in existing low-rise multifamily buildings

Author(s): Dentz, Henderson, Varshney
Organization(s): ARIES, Levy Partnership
Publication Date: September, 2014

Report summarizing the status of a central hydronic heating system project in multifamily housing at the conclusion of the 20112012 heating season.

Author(s): Mittereder, Poerschke
Organization(s): IBACOS
Publication Date: November, 2013
Report presenting a cold climate project examining and alternative approach to ground source heat pump ground loop design.
Author(s): Williamson, Aldrich
Organization(s): CARB
Report on field monitoring of inverter-driven ASHPs in Zone 6-climate homes.
Author(s): Williamson, Aldrich
Organization(s): CARB, Steven Winter Associates, SWA

Report on field monitoring of inverter-driven ASHPs in cold-climate homes.

Author(s): Christensen, Fang, Tomerlin, Winkler, Hancock
Organization(s): National Renewable Energy Laboratory, Mountain Energy Partnership
Publication Date: March, 2011

Information sheet with an analysis of mini split heat pump systems.

Author(s): Levy, Dentz, Ansanelli, Barker, Rath, Dadia
Organization(s): ARIES Collaborative
Publication Date: March, 2016

Through field-testing and analysis, this project evaluated whole-building approaches and estimated the relative contributions of select technologies toward reducing energy use related to space conditioning in new manufactured homes.

Author(s): Arena
Organization(s): CARB, National Renewable Energy Laboratory, Steven Winter Associates, SWA
Publication Date: January, 2013

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.

Author(s): Brand
Organization(s): PARR, National Renewable Energy Laboratory, Gas Technology Institute
Publication Date: March, 2012

Expert meeting identifying installation practices that provide the best installed efficiency for residential gas furnaces, explain how AFUE and field efficiency can differ, and investigate the impact of installation practices on the efficiency and long-term durability of the furnace.

Author(s): Martin, Withers, McIlvaine, Chasar, Beal
Organization(s): BA-PIRC, Florida Solar Energy Center, FSEC
Publication Date: February, 2018

This report evaluates the performance of variable-capacity comfort systems, with a focus on inverter-driven, variable-capacity systems, as well as proposed system enhancements.

Author(s): Yee, Baker, Brand, Wells
Organization(s): PARR, Midwest Energy Efficiency Alliance
Publication Date: August, 2013

Report using pre- and post-system upgrade data to analyze the energy savings associated with Iowas HVAC SAVE program for space heating.

Author(s): Roth, Sehgal, Akers
Organization(s): FCSES
Publication Date: March, 2013
Research report with results from field tests in two homes in Austin, Texas, from October 2011 to June 2012 to evaluate the comfort performance of ductless mini-split heat pumps
Author(s): Burdick
Organization(s): IBACOS
Publication Date: December, 2014
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.
Author(s): Woods, Kozubal
Organization(s): National Renewable Energy Laboratory
Publication Date: October, 2013

Report presenting a parametric analysis using a numerical model of a new concept in desiccant and evaporative air conditioning.

Author(s): Cummings, Withers, Kono
Organization(s): BA-PIRC, Florida Solar Energy Center, FSEC

Report on variable-capacity air conditioning and heat pump units.

Author(s): Poerschke, Beach
Organization(s): IBACOS
Report onhow space-conditioning systems are operating in the field and if these systems are meeting required standards.
Author(s): Burdick
Organization(s): IBACOS
Publication Date: October, 2013
Report summarizing one year of monitoring and analysis of a space conditioning system at maintaining temperature and relative humidity levels in a test home.
Author(s): Schoenbauer, Bohac, Huelman
Organization(s): NorthernSTAR, University of Minnesota
Publication Date: July, 2016

Report describing combined space- and water-heating (combi) systems using a high-efficiency direct-vent burner. 

Author(s): Puttagunta, Shapiro
Organization(s): CARB, National Renewable Energy Laboratory, Steven Winter Associates, SWA
Publication Date: April, 2012

Report about two test home evaluations that provided valuable data about the true in-field performance of various building mechanical systems and LAMELs.