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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 51 - 100 of 136

Evaluation of Retrofit Variable-Speed Furnace Fan Motors

Author(s)
Aldrich Robb,
Williamson Jim
Organization(s)
Consortium for Advanced Residential Buildings,
CARB,
Steven Winter Associates,
SWA,
National Renewable Energy Laboratory,
NREL
Publication Date
Report detailing the effects of replacing PSC motors with more efficient, variable-speed motors.

Evaporative Coolers

Author(s)
NORESCO
Organization(s)
NORESCO
Publication Date
Article describing RESNET guidance on evaporative coolers.

Examining the Benefits of ECMs

Author(s)
Mohalley
Organization(s)
Air Conditioning,
Heating and Refrigeration (ACHR) News
Publication Date
Article describing benefits of ECM motors and how they can be installed as retrofit motors in HVAC equipment.

Expert Meeting Report: Achieving the Best Installed Performance from High-Efficiency Residential Gas Furnaces

Author(s)
Brand Larry
Organization(s)
Partnership for Advanced Residential Retrofit,
PARR,
National Renewable Energy Laboratory,
NREL,
Gas Technology Institute,
GTI Energy
Publication Date
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.

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.

Exterior Insulation Implications on Heating and Cooling in Cold Climates

Author(s)
Herk,
Poerschke
Organization(s)
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.

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 Performance of Heat Pump Water Heaters in the Northeast

Author(s)
Shapiro Carl,
Puttagunta Srikanth
Organization(s)
CARB,
Steven Winter Associates,
SWA
Publication Date
Research study evaluating 14 heat pump water heaters, attempting to provide publically available field data on new HPWHs by monitoring the performance of three recently released products .

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...

Geothermal Heat Pumps Key Product Criteria

Author(s)
U.S. Environmental Protection Agency
Organization(s)
EPA
Publication Date
Website with information about ENERGY STAR criteria for geothermal heat pumps.

Grid-Interactive Efficient Buildings

Author(s)
Office of Energy Efficiency and Renewable Energy
Organization(s)
DOE
Publication Date
Website highlighting the DOE Building Technologies Office Grid-interactive Efficient Buildings Initiative, including technical reports, other publications, resources, and presentations.

Ground Source Heat Pump Values Rising

Author(s)
Im,
Liu,
Monk
Organization(s)
Oak Ridge National Laboratory
Publication Date
Website article discussing the economics of ground source heat pumps.

Ground-Source Variable Refrigerant Flow Heat Pumps

Author(s)
Karr Marcia
Organization(s)
Washington State University Extension Energy Program
Publication Date
Factsheet describing the uses and benefits of ground-source heat pumps for affordable housing, assisted living, dorms and hotels.

Heat & Cool Efficiently

Author(s)
ENERGY STAR
Organization(s)
ENERGY STAR
Publication Date
A ENERGY STAR guide on efficient heating, ventilation and cooling systems in residential homes.

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.

Heating and Cooling With a Heat Pump

Author(s)
Natural Resources Canada
Organization(s)
Natural Resources Canada
Publication Date
Report providing information for HVAC designers, installers, and consumers about air source heat pumps.

HVAC Sizing Tool

Author(s)
BetterBuilt Northwest
Organization(s)
BetterBuiltNW,
Northwest Energy Efficiency Alliance,
NEEA
Publication Date
Software tool available free online that can help calculate heating and cooling requirements to accurately size HVAC equipment in as little as 15 minutes.

HVAC System Pressure Relief

Author(s)
Raymer,
Moyer
Organization(s)
Tamarack Technologies,
Florida Solar Energy Center
Publication Date
Correcting pressure imbalances in your HVAC system can result in a healthier, more efficient home.

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.

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

Author(s)
Brand Larry,
Yee S,
Baker J
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.

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...

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.

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.

Let’s Concentrate on Condensate

Author(s)
Hart
Organization(s)
ASHI Reporter
Publication Date
Article describing how to properly manage condensing HVAC equipment.

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: 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: 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.