Skip to main content

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 52

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.

ACCA Manual J - Residential Load Calculation

Author(s)
Air Conditioning Contractors of America
Organization(s)
ACCA
Publication Date
Standard covering equipment sizing loads for single-family-detached homes, small multi-unit structures, condo­miniums, town houses and manufactured homes.

ACCA Manual S - Residential Equipment Selection

Author(s)
Air Conditioning Contractors of America
Organization(s)
ACCA
Publication Date
Standard covering sizing strategies for all types of cooling and heating equipment, as well as how to use comprehensive manufacturer’s performance data on sensible, latent, or heating capacity for various operating conditions.

An Approach to High-Performance Affordable Housing Using Point-Source Space Conditioning

Author(s)
Dentz Jordan,
Zhu Shengming
Organization(s)
Levy Partnership,
USDOE Office of Energy Efficiency and Renewable Energy
Publication Date
Technical report describing the integration of mini split ductless heat pumps and through-wall transfer fans in small single-story homes, to achieve a 50% reduction in space conditioning energy consumption compared to the 2009 International Energy Conservation Code, while ensuring affordability and...

An Approach to High-Performance Affordable Housing Using Point-Source Space Conditioning

Author(s)
NREL
Organization(s)
NREL,
USDOE Office of Energy Efficiency and Renewable Energy
Publication Date
Fact sheet describing the research on energy-efficient strategies for small single-story homes, including manufactured and Habitat for Humanity-built homes, utilizing mini split ductless heat pumps and through-wall transfer fans to achieve a 50% reduction in energy consumption compared to the 2009...

Building America Best Practices Series Volume 14: HVAC: A Guide for Contractors to Share with Homeowners

Author(s)
Gilbride Theresa L,
Baechler Michael C,
Hefty Marye G,
Hand James R,
Love Pat M
Organization(s)
Pacific Northwest National Laboratory,
PNNL,
Oak Ridge National Laboratory,
ORNL
Publication Date
Report providing information about energy-efficient heating, ventilation, and cooling (HVAC) equipment options to help homeowners cut their energy use, reduce their carbon footprint, and increase their homes comfort, health, and safety.

California Energy Commission's HVAC Design Guide

Author(s)
California Energy Commission
Organization(s)
CEC
Publication Date
Webpage containing California Energy Commission's HVAC design information, including mandatory and prescriptive HVAC requirements for residential and nonresidential buildings following the California Energy Commission's Building Energy Efficiency Standards.

Central Fan Integrated Ventilation Systems, Info-610

Author(s)
Building Science Corporation
Organization(s)
BSC
Publication Date
Report about ventilation system design, including central fan integrated supply (CFIS) system, made up of a 6-inch outdoor air intake duct connected to the return side of the air handler with a fan cycling control to make sure the fan runs a programmed minimum amount of time.

Choosing Thermostatic Radiator Valves

Author(s)
Gifford
Organization(s)
American Boiler Manufacturers Association
Publication Date
Part 2 of an article discussing how to maximize two-pipe steam systems for resident space heating.

Combined Space and Water Heating: Next Steps to Improved Performance

Author(s)
Schoenbauer B,
Bohac D,
Huelman Patrick
Organization(s)
NorthernSTAR Building America Partnership,
NorthernSTAR,
University of Minnesota
Publication Date
Report describing combined space- and water-heating (combi) systems using a high-efficiency direct-vent burner.

Development and Validation of Algorithms That Analyze Communicating Thermostat Data to Identify Enclosure Retrofit Opportunities

Author(s)
Zeifman Michael,
Roth Kurt
Organization(s)
Fraunhofer Center for Sustainable Energy Systems,
USDOE Office of Energy Efficiency and Renewable Energy
Publication Date
Technical report describing algorithms that use communicating thermostat heating data and that were developed to optimize customer adoption of energy conservation measures, enhancing the identification of retrofit opportunities, estimating post-retrofit energy savings, and enabling home-specific...

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.

ENERGY STAR Rebate Finder

Author(s)
ENERGY STAR
Organization(s)
ENERGY STAR
Publication Date
Website for finding rebates and special offers near you on ENERGY STAR certified products. Products that earn the ENERGY STAR label meet strict energy-efficiency specifications set by the U.S. EPA helping you save energy and money while protecting the environment.

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.

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.

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,
USDOE Office of Energy Efficiency and Renewable Energy
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...

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.

Integrated Ventilation System Increases Energy Efficiency and Ease of Installations

Author(s)
NREL
Organization(s)
NREL,
USDOE Office of Energy Efficiency and Renewable Energy
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...

IoT-Based Comfort Control and Fault Diagnostics System for Energy-Efficient Homes

Author(s)
O'Neill Zheng,
Tao Yang,
Jin Wen,
Kimball Richard,
Hai Xiao,
Ningxuan Wen,
Danny Taasevigen
Organization(s)
Texas A&M University
Publication Date
Research report discussing the reduction of HVAC energy consumption to meet U.S. greenhouse gas targets and DOE's energy-efficient building goals. It introduces iComfort, an IoT-based system for optimizing home comfort and energy savings.

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: 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.

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.

Research and Development of a Ventilation-Integrated Comfort System

Author(s)
Puttagunta Srikanth,
Aldrich Robb,
Cleary Barnett
Organization(s)
Steven Winter Associates,
USDOE Office of Energy Efficiency and Renewable Energy
Publication Date
Technical report describing the research and development of the Ventilation-Integrated Comfort System (VICS) which is a specifically designed, energy-efficient solution that seamlessly integrates with low-capacity, ducted heating, and cooling systems, offering controllable, balanced energy recovery...

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.

Smart Ventilation Controls Boost Energy Efficiency and Indoor Air Quality

Author(s)
Burkett Helen,
Martin Eric
Organization(s)
NREL,
USDOE Office of Energy Efficiency and Renewable Energy,
EERE
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...

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.

Thermostatic radiator valve (TRV) demonstration project

Author(s)
McNamara
Organization(s)
NYSERDA
Publication Date
This report describes the results of a multiyear research project that investigated the energy savings attributable to thermostatic radiator valves (TRVs) installed on one-pipe steam distribution systems.

Thermostatic Radiator Valve Evaluation

Author(s)
Dentz Jordan,
Ansanelli Eric
Organization(s)
Advanced Residential Integrated Energy Solutions Collaborative,
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...

Transfer Ducts and Grilles, Info-604

Author(s)
Building Science Corporation
Organization(s)
BSC
Publication Date
Information sheet describing transfer ducts and grilles for HVAC.