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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 - 22 of 22

9 Recommended Practices for Cold-Climate Ductless Heat Pump Installations

Author(s)
BetterBuilt NW
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.

A Feasibility Study: Ductless Hydronic Distribution systems with Fan Coil Delivery

Author(s)
Springer David,
Dakin Bill,
Backman Christine
Organization(s)
Alliance for Residential Building Innovation,
ARBI,
National Renewable Energy Laboratory,
NREL,
Davis Energy Group
Publication Date
Research study estimating potential energy savings relative to conventional ducted air distribution, and identifying equipment requirements, costs, and barriers.

An Integrated Control Method for Supplemental Minisplit Heat Pumps in Existing Homes

Author(s)
Fenaughty Karen,
Martin Eric,
Parker Danny,
Nigusse Bereket
Organization(s)
University of Central Florida,
USDOE Office of Energy Efficiency and Renewable Energy
Publication Date
Technical report describing how the FSEC Energy Research Center explores low-cost space-conditioning upgrades for existing homes by integrating centrally located, high-efficiency ductless mini split heat pumps with older but functional central space conditioning systems, aiming to achieve energy...

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.

Feasibility of Foundation Heat Exchangers for Residential Ground Source Heat Pump Systems in the United States

Author(s)
Cullin James R,
Xing Lu,
Lee Edwin,
Spitler Jeffrey D,
Fisher Daniel E
Organization(s)
American Society of Heating Refrigerating and Air-Conditioning Engineers,
ASHRAE,
Oklahoma State University,
OSU,
Oak Ridge National Laboratory,
ORNL
Publication Date
Study characterizing how foundation heat exchangers (FHXs) used in residential ground source heat pump systems represent a potential cost savings due to their lesser first cost over other types of heat exchangers.

Field Monitoring Protocol: Mini-Split Heat Pumps

Author(s)
Christensen Dane,
Fang X,
Tomerlin Jeff,
Winkler Jon,
Hancock Ed
Organization(s)
National Renewable Energy Laboratory,
NREL,
Mountain Energy Partnership
Publication Date
Information sheet with an analysis of mini split heat pump systems.

Heat Pump Water Heating Modeling in EnergyPlus

Author(s)
Wilson Eric,
Christensen Craig
Organization(s)
National Renewable Energy Laboratory,
NREL
Publication Date
Presentation about heat pump water heater modeling using EnergyPlus.

Improved Modeling of Residential Air Conditioners and Heat Pumps for Energy Calculations

Author(s)
Cutler Dylan,
Winkler Jon,
Kruis Neal,
Christensen Craig,
Brandemuehl Michael J
Organization(s)
National Renewable Energy Laboratory,
NREL,
University of Colorado,
CU
Publication Date
Report presenting improved air conditioner (AC) and heat pump (HP) modeling methods in the context of whole-building simulation tools.

Improvements in Fan Motor Efficiency Could Yield Big Savings

Author(s)
Holliday,
Martin
Organization(s)
Green Building Advisor
Publication Date
Article in Energy Design Update describing the cost and savings benefits of electronically commutated motors (ECMs) for HVAC equipment.

Load Calculation Tools for Ductless Heat Pumps

Author(s)
BetterBuilt Northwest
Organization(s)
BetterBuiltNW,
Northwest Energy Efficiency Alliance,
NEEA
Publication Date
Web article describing two options for sizing ductless minisplit heat pumps, including a free HVAC sizing tool.

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: Heat Pump Water Heaters in New and Existing Homes

Author(s)
Shapiro,
Puttagunta,
Owens
Organization(s)
CARB,
National Renewable Energy Laboratory,
Steven Winter Associates,
SWA
Publication Date
Document with evaluation of 14 heat pump water heaters (including three recently released HPWH products) installed in existing homes in the northeast region of the United States.

Residential Ground Source Heat Pump Systems Utilizing Foundation Heat Exchangers

Author(s)
Spitler Jeffrey D,
Xing Lu,
Cullin James R,
Fisher Daniel E,
Shonder John,
Im Piljae
Organization(s)
Oklahoma State University,
OSU,
Oak Ridge National Laboratory,
ORNL
Publication Date
Paper covering a parametric study of foundation heat exchanger-based ground source heat pump systems for several house configurations in a range of European locations, with an emphasis on determining feasible combinations.

Strategy Guideline: HVAC Equipment Sizing

Author(s)
Burdick Arlan
Organization(s)
IBACOS,
National Renewable Energy Laboratory
Publication Date
Report describing the equipment selection of a split system air conditioner and furnace for an example house in Chicago, Illinois, as well as a heat pump system for an example house in Orlando, Florida.

Strategy Guideline: Proper Water Heater Selection

Author(s)
Hoeschele,
Springer,
German,
Staller,
Zhang
Organization(s)
ARBI,
National Renewable Energy Laboratory,
Davis Energy Group
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.

Technical Highlight: NREL Delivers In-Home HVAC Efficiency Testing Solutions

Author(s)
National Renewable Energy Laboratory
Organization(s)
NREL
Publication Date
Document on the development of two simple in-home efficiency test methods that can be used by technicians, researchers, or interested homeowners to verify the correct operation and energy efficiency of a homes air conditioning and heating equipment.