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Predicting The Potential For Energy Efficiency Retrofits In Single Family Homes
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Book Synopsis Predicting the Potential for Energy Efficiency Retrofits in Single-family Homes by : Kaitlin Ryan Goldstein
Download or read book Predicting the Potential for Energy Efficiency Retrofits in Single-family Homes written by Kaitlin Ryan Goldstein and published by . This book was released on 2014 with total page 113 pages. Available in PDF, EPUB and Kindle. Book excerpt: Historically, the lack of data on the United States' housing stock has been one of the primary barriers to market penetration of residential energy efficiency retrofits. Without knowledge of the homes and customers to reach, outreach has been untargeted and inefficient. As such, a study was performed to determine whether the potential for residential energy efficiency retrofit could be determined in the absence of utility data. The first phase of the research investigated the best pre-retrofit gas consumption metric to predict post-retrofit savings. Energy intensity (weather normalized total gas consumption per square foot) was chosen from four distinct metrics as the best corollary to energy savings. The second phase attempted to predict the pre-usage metric from phase one using only home characteristics and demographics, and the most predictive variables were determined. Data mining techniques were then explored to predict retrofit candidacy using energy intensity as a proxy. After showing that this was difficult to predict even when utility data was available, the progression to the third phase was reconsidered but explored. The models did not perform as expected for three reasons: 1) the marketing variables were not clean/accurate enough 2) the marketing variables did not explain enough of the variance in energy intensity and, 3) the connection between energy intensity and retrofit candidacy was not sufficiently well defined. While a definitive model of retrofit candidacy in the absence of utility data was not found, the research completed offers: 1) a mechanism by which to connect retrofit savings data to homes that have not yet undergone retrofit 2) an in-depth look at using publicly available variables to predict home energy consumption and, 3) a detailed examination of the connection between retrofit potential and raw gas utility data.
Book Synopsis Measured Energy Savings and Economics of Retrofitting Existing Single-family Homes by :
Download or read book Measured Energy Savings and Economics of Retrofitting Existing Single-family Homes written by and published by . This book was released on 1991 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: The energy bill for US single-family households was over $77 billion in 1987 (excluding auto fuel purchases), accounting for approximately 20% of national energy expenditures. Large sums are spent on residential retrofits by individual homeowners, government agencies, and utilities. As of late 1987, over 21 million households indicated that they had added at least one energy-saving measure in the previous two years, while a recent Electric Power Research Institute (EPRI) study estimated that nearly 15 million residential customers have participated in some kind of demand-side management (DSM) program. Given the level of continuing investments in residential energy efficiency, accurate estimates of savings from various conservation measures are increasingly necessary, especially as new technologies become more sophisticated and incremental efficiency gains more difficult to achieve. This report provides a comparative analysis of measured data on the performance and cost-effectiveness of energy-saving measures in existing single-family homes, based on information in the Buildings Energy-Use Compilation and Analysis (BECA) data base. The initial BECA report on measured data for single-family retrofits was completed seven years ago. In updating the single-family database, we have added 135 data points, representing over 33,000 houses, to the original database of 145 retrofit projects. The report is organized in two volumes. Volume 1 provides a summary of energy savings and costs of individual retrofit measures and strategies and results from federal/state low-income and utility weatherization programs. we also discuss measurement issues, predicted versus actual savings, trends in single-family retrofit programs, and implications for the next generation'' of cost-effective single-family retrofits. Volume 2 contains a written summary of each retrofit project and complete data tables. 87 refs., 20 figs., 16 tabs.
Book Synopsis Group Home Energy Efficiency Retrofit for 30% Energy Savings: Washington, D.C. by :
Download or read book Group Home Energy Efficiency Retrofit for 30% Energy Savings: Washington, D.C. written by and published by . This book was released on 2013 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Energy efficiency retrofits (EERs) face many challenges on the path to scalability. Limited budgets, cost effectiveness, risk factors, and accessibility impact the type and the extent of measures that can be implemented feasibly to achieve energy savings goals. Group home retrofits can face additional challenges than those in single family homes - such as reduced access (occupant-in-place restrictions) and lack of incentives for occupant behavioral change. This project studies the specification, implementation, and energy savings from an EER in a group home, with an energy savings goal of 30%. This short term test report chronicles the retrofit measures specified, their projected cost-effectiveness using building energy simulations, and the short term test results that were used to characterize pre-retrofit and post-retrofit conditions. Additionally, the final report for the project will include analysis of pre- and post-retrofit performance data on whole building energy use, and an assessment of the energy impact of occupant interface with the building (i.e., window operation). Ultimately, the study's results will be used to identify cost effective EER measures that can be implemented in group homes, given constraints that are characteristic of these buildings. Results will also point towards opportunities for future energy savings.
Book Synopsis Retrofitting Homes for Energy Conservation by : NAHB Research Foundation
Download or read book Retrofitting Homes for Energy Conservation written by NAHB Research Foundation and published by . This book was released on 1975 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Old House Eco Handbook by : Roger Hunt
Download or read book Old House Eco Handbook written by Roger Hunt and published by Frances Lincoln. This book was released on 2019-09-17 with total page 211 pages. Available in PDF, EPUB and Kindle. Book excerpt: How can we make old houses energy efficient without devaluing future sustainability? And how can we do so without compromising their appeal and character? This practical and essential guide to retrofitting for energy efficiency seeks to provide answers to this and other questions homeowners of old houses are asking. Whether your house is medieval and timber-framed or a Georgian, Victorian or Edwardian terrace, it can be made more energy efficient and sustainable. This practical, comprehensive and fully illustrated handbook will show you how. Revised and updated throughout, and with a foreword by Kevin McCloud, Old House Eco Handbook includes chapters on the building envelope; roofs and ceilings; windows and doors; walls; floors; paints; energy, air and water; plus a brand new chapter on retrofit materials. In association with The Society for the Protection of Ancient Buildings, this is a must have for owners of old houses looking to make their homes more energy efficient and sustainable.
Book Synopsis Existing Whole-House Solutions Case Study by :
Download or read book Existing Whole-House Solutions Case Study written by and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Energy efficiency retrofits (EERs) face many challenges on the path to scalability. Limited budgets, cost effectiveness, risk factors, and accessibility impact the type and the extent of measures that can be implemented feasibly to achieve energy savings goals. Group home retrofits can face additional challenges than those in single family homes - such as reduced access (occupant-in-place restrictions) and lack of incentives for occupant behavioral change. This project studies the specification, implementation, and energy savings from an EER in a group home, with an energy savings goal of 30%. This short term test report chronicles the retrofit measures specified, their projected cost-effectiveness using building energy simulations, and the short term test results that were used to characterize pre-retrofit and post-retrofit conditions. Additionally, the final report for the project will include analysis of pre- and post-retrofit performance data on whole building energy use, and an assessment of the energy impact of occupant interface with the building (i.e., window operation). Ultimately, the study's results will be used to identify cost effective EER measures that can be implemented in group homes, given constraints that are characteristic of these buildings. Results will also point towards opportunities for future energy savings.
Book Synopsis Energy Retrofits in Single Family Homes by : Chiara Bonsignori
Download or read book Energy Retrofits in Single Family Homes written by Chiara Bonsignori and published by . This book was released on 2014 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: Data on U.S. energy consumption and carbon emission stresses the importance of improving the current process of home remodeling in order to take advantage of the great potential offered by the existing housing stock. Home energy retrofits have gained increased popularity in the recent years. Yet, improvements are needed in order to get the most from these processes. In fact, energy retrofits occur in a way that is still too slow or too shallow. Furthermore, the retrofit industry approaches home assessments mainly relying on the use of technology and energy analysis tools. This method is limited inasmuch as it excludes social, cultural and personal variables from the assessment. This research investigates possible strategies to render the process of retrofit to be more holistic and long-lasting. Moreover, it investigates how the main obstacles that prevent homeowners from engaging in home energy retrofits can be removed and how the whole process can become easier and more accessible. Finally, it analyzes the relevant social groups that influence home energy retrofits and how their interactions shape this process.
Book Synopsis Occupant-in-place Energy Efficiency Retrofit in a Group Home for 30% Energy Savings in Climate Zone 4 by : Mike Moore
Download or read book Occupant-in-place Energy Efficiency Retrofit in a Group Home for 30% Energy Savings in Climate Zone 4 written by Mike Moore and published by . This book was released on 2013 with total page 39 pages. Available in PDF, EPUB and Kindle. Book excerpt: Energy efficiency retrofits (EERs) face many challenges on the path to scalability. Limited budgets, cost effectiveness, risk factors, and accessibility impact the type and the extent of measures that can be implemented feasibly to achieve energy savings goals. Group home retrofits can face additional challenges than those in single family homes - such as reduced access (occupant-in-place restrictions) and lack of incentives for occupant behavioral change. This project studies the specification, implementation, and energy savings from an EER in a group home, with an energy savings goal of 30%. This short term test report chronicles the retrofit measures specified, their projected cost effectiveness using building energy simulations, and the short term test results that were used to characterize pre-retrofit and post-retrofit conditions. Additionally, the final report for the project will include analysis of pre- and post-retrofit performance data on whole building energy use, and an assessment of the energy impact of occupant interface with the building (i.e., window operation). Ultimately, the study's results will be used to identify cost-effective EER measures that can be implemented in group homes, given constraints that are characteristic of these buildings. Results will also point towards opportunities for future energy savings.
Book Synopsis Retrofitting for Resilience by : Yael Nidam
Download or read book Retrofitting for Resilience written by Yael Nidam and published by . This book was released on 2019 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis explores the incentives and barriers to retrofit single-family and small multi-family homes in Boston, in response to the city’s declared goal of reaching carbon neutrality by 2050 while protecting citizens from extreme weather events induced by climate change. Considering small properties do not report their energy consumption, little is known about a sector that accounts for 20% of the city’s carbon emissions. The federal, state and local government offer a myriad of incentive programs to improve the energy efficiency of these homes, yet uptake on those opportunities is low and inconsistent with the rate needed to achieve the city’s mitigation and adaptation goals. Recent technological advancements enable the study of these buildings from the ground up, enabling urban scale insights from the study of individual buildings’ performance. The methodology to develop Urban Building Energy Models (UBEM) was developed by the Sustainable Design Lab at MIT in 2016, to estimate citywide energy demand loads down to the individual building level. Utilizing an existing UBEM for two neighborhoods in Boston, this thesis explores the impact of energy savings and government incentives on households’ ability to participate in retrofit programs, to uncover unmet needs and form recommendations to accelerate retrofit implementation. The novelty of this research is not in developing the model, but in exploring a new application of an existing model. Results show that while implementation of retrofits is not financially beneficial for every household, there is a substantial gap between the number of households who can potentially benefit from these incentives and the current participation rate. Interviews with policy designers and architects working on retrofit implementation in Boston reveal additional barriers to explain this gap. Recommendations for quick fixes include better visualization tools to communicate the specificity of applicable programs at the individual building scale and in response to the householder needs, investment in programs to bolster communities’ organization capacity and expediting and streamlining the process to make it easier to access. This study demonstrates the potential of UBEM to inform public policy and increase citizen access to government benefits, as part of a global effort to enhance the transparency and the efficacy of governance through digital interfaces.
Book Synopsis Group Home Energy Efficiency Retrofit for 30% Energy Savings by :
Download or read book Group Home Energy Efficiency Retrofit for 30% Energy Savings written by and published by . This book was released on 2013 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt: Energy efficiency retrofits (EERs) face many challenges on the path to scalability. Limited budgets, cost effectiveness, risk factors, and accessibility impact the type and the extent of measures that can be implemented feasibly to achieve energy savings goals. Group home retrofits can face additional challenges than those in single family homes - such as reduced access (occupant-in-place restrictions) and lack of incentives for occupant behavioral change. This project studies the specification, implementation, and energy savings from an EER in a group home, with an energy savings goal of 30%. This short term test report chronicles the retrofit measures specified, their projected cost-effectiveness using building energy simulations, and the short term test results that were used to characterize pre-retrofit and post-retrofit conditions. Additionally, the final report for the project will include analysis of pre- and post-retrofit performance data on whole building energy use, and an assessment of the energy impact of occupant interface with the building (i.e., window operation). Ultimately, the study's results will be used to identify cost effective EER measures that can be implemented in group homes, given constraints that are characteristic of these buildings. Results will also point towards opportunities for future energy savings.
Book Synopsis High Energy-Efficiency Retrofits to Baltimore's Row Homes by :
Download or read book High Energy-Efficiency Retrofits to Baltimore's Row Homes written by and published by . This book was released on 1999 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of the research project is to develop high-perfommnce, energy-eflicient retrofits of existing row homes in Baltimore, Maryland. These efficiency enhancements are to optimize building envelope improvements, mechanical equipment improvements and operational improvements to the highest cost-effective level. Furthermore, this project is to investigate and demonstrate the impact of high-performance energy-efficiency retrofit improvements on row homes in the Historic East area of Baltimore. Three homes awaiting renovation are planned to receive building envelope, mechanical system, and electrical system improvements that will improve their energy petiormance. An incremental additional cost ceiling of $4000 for the energy eftlciency improvements, beyond those normally installed, has been set by the project.
Book Synopsis Energy Efficiency Potential in the U.S. Single-Family Housing Stock by :
Download or read book Energy Efficiency Potential in the U.S. Single-Family Housing Stock written by and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Typical approaches for assessing energy efficiency potential in buildings use a limited number of prototypes, and therefore suffer from inadequate resolution when pass-fail cost-effectiveness tests are applied, which can significantly underestimate or overestimate the economic potential of energy efficiency technologies. This analysis applies a new approach to large-scale residential energy analysis, combining the use of large public and private data sources, statistical sampling, detailed building simulations, and high-performance computing to achieve unprecedented granularity - and therefore accuracy - in modeling the diversity of the single-family housing stock. The result is a comprehensive set of maps, tables, and figures showing the technical and economic potential of 50 plus residential energy efficiency upgrades and packages for each state. Policymakers, program designers, and manufacturers can use these results to identify upgrades with the highest potential for cost-effective savings in a particular state or region, as well as help identify customer segments for targeted marketing and deployment. The primary finding of this analysis is that there is significant technical and economic potential to save electricity and on-site fuel use in the single-family housing stock. However, the economic potential is very sensitive to the cost-effectiveness criteria used for analysis. Additionally, the savings of particular energy efficiency upgrades is situation-specific within the housing stock (depending on climate, building vintage, heating fuel type, building physical characteristics, etc.).
Download or read book Win-win-win? written by Helena Caswell and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Large scale energy efficiency and electrification of the US residential sector are needed to meet the Paris Agreement goal of limiting warming below two degrees Celsius. Energy efficiency retrofits can also provide significant health and economic benefits, especially for low-income residents. These non-energy benefits are often excluded from policy analysis of energy efficiency programs because they are not well quantified, especially at a local level. In this thesis I quantify a subset of these public and private health benefits and develop a cost benefit analysis at the county level across the continental US of a retrofit policy for low-income households that includes electrification and efficiency measures. The retrofit policy yields a positive average net present value in 29\% of counties when considering only the private benefits of reduced energy consumption. However, retrofits yield positive net present value in all US counties when public and private health benefits are included. I also explored the potential impacts of a retrofit policy on household energy burden (household energy expenditures divided by household income). In most counties, retrofits would more than offset the additional cost of energy from a $51 per metric ton carbon price, the current social cost of carbon estimated by the federal government. The gap between public and private retrofit benefits prevents low-income households from implementing energy efficiency measures. Programs to subsidize low-income retrofits would reduce economic deadweight loss, climate emissions, and energy costs, while improving human health and wellbeing for low-income households that currently suffer disproportionately from inefficient housing.
Book Synopsis Residential Energy Efficiency Potential: New York by :
Download or read book Residential Energy Efficiency Potential: New York written by and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Energy used by New York single-family homes that can be saved through cost-effective improvements. Prepared by Eric Wilson and Noel Merket, NREL, and Erin Boyd, U.S. Department of Energy Office of Energy Policy and Systems Analysis.
Book Synopsis Existing Whole-House Case Study by :
Download or read book Existing Whole-House Case Study written by and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Expanding on previous research by PARR, this study compares measure packages installed during 800 Illinois Home Performance with ENERGY STAR® (IHP) residential retrofits to those recommended as cost-optimal by Building Energy Optimization (BEopt) modeling software. In previous research, cost-optimal measure packages were identified for 15 Chicagoland single family housing archetypes, called housing groups. In the present study, 800 IHP homes are first matched to one of these 15 housing groups, and then the average measures being installed in each housing group are modeled using BEopt to estimate energy savings. For most housing groups, the differences between recommended and installed measure packages is substantial. By comparing actual IHP retrofit measures to BEopt-recommended cost-optimal measures, missed savings opportunities are identified in some housing groups; also, valuable information is obtained regarding housing groups where IHP achieves greater savings than BEopt-modeled, cost-optimal recommendations.
Book Synopsis Achieving 50% Energy Savings in Chicago Homes: A Case Study for Advancing Equity and Climate Goals by :
Download or read book Achieving 50% Energy Savings in Chicago Homes: A Case Study for Advancing Equity and Climate Goals written by and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since 2019, the National Renewable Energy Laboratory (NREL) and Elevate have collaborated to identify pathways to deep energy retrofits in Chicago's housing stock, document equity implications and co-benefits of this transition, and validate the findings by implementing retrofits in real Chicago homes. This document summarizes our analysis process to model advanced retrofit packages that lead to greater than 50% energy savings in Chicago homes. Based on these findings, we have also developed a roadmap with the City to guide implementation, and are deploying the recommended retrofit packages in real Chicago homes to realize these energy savings. This work was developed in collaboration with two key stakeholders - the City of Chicago and Commonwealth Edison (ComEd) - and funded by the U.S. Department of Energy (DOE). NREL's Residential Buildings team maintains the best-in-class ResStockTM energy model of the U.S. residential building stock. For this work, we calibrated ResStock to Chicago's unique local housing stock to accurately simulate energy use in Chicago homes both for current conditions and with various retrofit scenarios. We simulated a wide range of potential building retrofits covering all aspects of residential energy use and then grouped these into packages based on energy and utility bill savings. ResStock can model diverse building types and housing characteristics, so we're able to observe the range of outcomes that might occur when these upgrades are deployed across the entire housing stock. We can then estimate potential energy savings from an advanced retrofit program on Chicago's housing stock by comparing the modeled energy use before versus after a retrofit. This novel version of ResStock, calibrated to Chicago with data from Elevate, can help City officials, ComEd, and other partners plan for community-scale decarbonization via residential retrofits. Specifically, this work contributes the following project goals: Develop a building retrofit prioritization strategy for Chicago single-family and 2- to 4-unit buildings; Identify neighborhoods and home types that have the highest potential for savings from electrification; and Assess the impact of advanced building retrofits on energy use, utility bills, and CO2 emissions at the city and building level. Although this study is specific to Chicago, its methods and learnings are applicable across the United States. These findings are especially notable for heat pumps and electrification retrofits in cold climates.
Book Synopsis Actual and Estimated Energy Savings Comparison for Deep Energy Retrofits in the Pacific Northwest by :
Download or read book Actual and Estimated Energy Savings Comparison for Deep Energy Retrofits in the Pacific Northwest written by and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
