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Author : M. Perlman
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.:/5 (354 download)
Download or read book Residential Heat Pump Water Heaters Laboratory Assessment written by M. Perlman and published by . This book was released on 1983 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 77 pages
Book Rating : 4.:/5 (873 download)
Download or read book Laboratory Performance Evaluation of Residential Integrated Heat Pump Water Heaters written by and published by . This book was released on 2011 with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report discusses how a significant opportunity for energy savings is domestic hot water heating, where an emerging technology has recently arrived in the U.S. market: the residential integrated heat pump water heater. A laboratory evaluation is presented of the five integrated HPWHs available in the U.S. today.
Author : Kate Hudon
Publisher :
ISBN 13 :
Total Pages : 65 pages
Book Rating : 4.:/5 (889 download)
Download or read book Laboratory Performance Evaluation of Residential Integrated Heat Pump Water Heaters written by Kate Hudon and published by . This book was released on 2014 with total page 65 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper explores the laboratory performance of five integrated Heat Pump Water Heaters (HPWHs) across a wide range of operating conditions representative of US climate regions. HPWHs are expected to provide significant energy savings in certain climate zones when compared to typical electric resistance water heaters. Results show that this technology is a viable option in most climates, but differences in control schemes and design features impact the performance of the units tested. Tests were conducted to map heat pump performance across the operating range and to determine the logic used to control the heat pump and the backup electric heaters. Other tests performed include two unique draw profile tests, reduced air flow performance tests and the standard DOE rating tests. The results from all these tests are presented here for all five units tested. The results of these tests will be used to improve the EnergyPlus heat pump water heater for use in BEopt(tm) whole-house building simulations.
Author : Ben Larson
Publisher :
ISBN 13 :
Total Pages : 80 pages
Book Rating : 4.:/5 (798 download)
Download or read book Residential Heat Pump Water Heater Evaluation written by Ben Larson and published by . This book was released on 2011 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: The report describes laboratory testing and modeling exercises performed to assess potential heat pump water heater (HPWH) energy savings in the Pacific Northwest. Three integrated HPWH models, pairing two electric resistance elements with a tank-mound heat pump, were thoroughly investigated: the AO Smith Voltex, the GE GeoSpring, and the Rheem EcoSense. The report summarizes lab findings, describes the determinants of consumption, and develops annual operating efficiency and energy savings estimates for HPWH installations in unheated buffer spaces and interior conditioned spaces throughout the Northwest.
Author :
Publisher :
ISBN 13 :
Total Pages : 34 pages
Book Rating : 4.:/5 (794 download)
Download or read book Heat Pump Water Heater Technology Assessment Based on Laboratory Research and Energy Simulation Models written by and published by . This book was released on 2012 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper explores the laboratory performance of five integrated Heat Pump Water Heaters (HPWHs) across a wide range of operating conditions representative of US climate regions. Laboratory results demonstrate the efficiency of this technology under most of the conditions tested and show that differences in control schemes and design features impact the performance of the individual units. These results were used to understand current model limitations, and then to bracket the energy savings potential for HPWH technology in various US climate regions. Simulation results show that HPWHs are expected to provide significant energy savings in many climate zones when compared to other types of water heaters (up to 64%, including impact on HVAC systems).
Author : Nicholas Kvaltine
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (915 download)
Download or read book Laboratory Assessment of Stiebel-Eltron Accelera 220 E Heat Pump Water Heater written by Nicholas Kvaltine and published by . This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ben Larson
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (97 download)
Download or read book Laboratory Assessment of GE GEH50DFEJSRA Heat Pump Water Heater written by Ben Larson and published by . This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The Northwest Energy Efficiency Alliance (NEEA) contracted with Ecotope, Inc. and Cascade Engineering Services, Inc. to conduct a laboratory assessment of the GE model #GEH50DFEJSRA heat pump water heater (HPWH) for northern climate installations. Cascade Engineering evaluated the GEH50DFEJSRA using a testing plan developed by Ecotope to assess HPWH performance."--Executive summary.
Author : Robert P. Blevins
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (14 download)
Download or read book Demonstration of a Heat Pump Water Heater written by Robert P. Blevins and published by . This book was released on 1981 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Energy Utilization Systems, Inc. (EUS), has developed an electric heat pump water heater for residential applications. A heat pump water heater is a device that works like a room air conditioner except that it pumps heat from a room, basement, garage, etc., into an attached water tank instead of rejecting this heat out-of-doors. The development of this device was the first phase of work sponsored by the U.S. Department of Energy through the Oak Ridge National Laboratory under contract number7321.The second phase of work involved the field demonstration of this device. Eighty-five heat pump water heaters were installed in single-family homes located in the service territories of 20 geographically and climatically dispersed electric utilities. The objective of this phase was to demonstrate the reliability and operating efficiency of the device. Utility personnel collected operating data and forwarded it to EUS on a monthly basis. These data were then analyzed and a monthly coefficient of performance(COP) was calculated for each unit. This report details the results obtained from this field demonstration project.
Author : Van D. Baxter
Publisher :
ISBN 13 :
Total Pages : 43 pages
Book Rating : 4.:/5 (946 download)
Download or read book High Efficiency Water Heating Technology Development written by Van D. Baxter and published by . This book was released on 2016 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt: DOE has supported efforts for many years with the objective of getting a water heater that uses heat pump technology (aka a heat pump water heater or HPWH) successfully on the residential equipment market. The most recent previous effort (1999-2002) produced a product that performed very well in ORNL-led accelerated durability and field tests. The commercial partner for this effort, Enviromaster International (EMI), introduced the product to the market under the trade name Watter$aver in 2002 but ceased production in 2005 due to low sales. A combination of high sales price and lack of any significant infrastructure for service after the sale were the principal reasons for the failure of this effort. What was needed for market success was a commercial partner with the manufacturing and market distribution capability necessary to allow economies of scale to lead to a viable unit price together with a strong customer service infrastructure. General Electric certainly meets these requirements, and knowing of ORNL s expertise in this area, approached ORNL with the proposal to partner in a CRADA to produce a high efficiency electric water heater. A CRADA with GE was initiated early in Fiscal Year, 2008. GE initially named its product the Hybrid Electric Water Heater (HEWH).
Download or read book Demonstration of a Heat Pump Water Heater. Volume 3. Design Report written by and published by . This book was released on 1979 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Work performed during the pilot run manufacturing and laboratory testing stages of a heat pump water heater for residential installations is described. A general description of the heat pump water heater is provided, as are detailed discussions of individual components. Also included is a description of the pilot run manufacturing facility and experience, laboratory operations, and laboratory test data.
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (14 download)
Download or read book Side-by-Side Testing of Water Heating Systems: Results from the 2013-2014 Evaluation written by and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Florida Solar Energy Center (FSEC) has completed a fourth year-long evaluation on residential hot water heating systems in a laboratory environment (east central Florida, hot-humid climate). This report contains a summary of research activities regarding the evaluation of two residential electric heat pump water heaters (HPWHs), a solar thermal system utilizing a polymer glazed absorber and a high efficiency natural gas system.
Author : Fausto Cavallaro
Publisher : Springer Science & Business Media
ISBN 13 : 1447151437
Total Pages : 438 pages
Book Rating : 4.4/5 (471 download)
Download or read book Assessment and Simulation Tools for Sustainable Energy Systems written by Fausto Cavallaro and published by Springer Science & Business Media. This book was released on 2013-08-13 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, the concept of energy has been revised and a new model based on the principle of sustainability has become more and more pervasive. The appraisal of energy technologies and projects is complex and uncertain as the related decision making has to encompass environmental, technical, economic and social factors and information sources. The scientific procedure of assessment has a vital role as it can supply the right tools to evaluate the actual situation and make realistic forecasts of the effects and outcomes of any actions undertaken. Assessment and Simulation Tools for Sustainable Energy Systems offers reviews of the main assessment and simulation methods used for effective energy assessment. Divided across three sections, Assessment and Simulation Tools for Sustainable Energy Systems develops the reader’s ability to select suitable tools to support decision making and implementation of sustainable energy projects. The first is dedicated to the analysis of theoretical foundations and applications of multi-criteria decision making. This is followed by chapters concentrating on the theory and practice of fuzzy inference, neural nets and algorithms genetics. Finally, simulation methods such as Monte Carlo analysis, mathematical programming and others are detailed. This comprehensive illustration of these tools and their application makes Assessment and Simulation Tools for Sustainable Energy Systems a key guide for researchers, scientists, managers, politicians and industry professionals developing the field of sustainable energy systems. It may also prompt further advancements in soft computing and simulation issues for students and researchers.
Author : R.D. Burns III
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (841 download)
Download or read book Laboratory Testing of Heat Pump Water Heaters written by R.D. Burns III and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : B. Sparn
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (124 download)
Download or read book Field Monitoring Protocol :. written by B. Sparn and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : B. Sparn
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (854 download)
Download or read book Field Monitoring Protocol written by B. Sparn and published by . This book was released on 2013 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document provides a standard field monitoring protocol for evaluating the installed performance of Heat Pump Water Heaters in residential buildings. The report is organized to be consistent with the chronology of field test planning and execution. Research questions are identified first, followed by a discussion of analysis methods, and then the details of measuring the required information are laid out. A field validation of the protocol at a house near the NREL campus is included for reference.
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (14 download)
Download or read book Multifamily Heat Pump Water Heater Evaluation written by and published by . This book was released on 2013 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although heat pump water heaters (HPWHs) have gained significant attention in recent years as a high efficiency electric water heating solution for single family homes, central HPWHs for commercial or multi-family applications are not as well documented in terms of measured performance and cost effectiveness. To evaluate this technology, the Alliance for Residential Building Innovation team monitored the performance of a 10.5 ton central HPWH installed on a student apartment building at the West Village Zero Net Energy Community in Davis, California. Monitoring data collected over a 16 month period were then used to validate a TRNSYS simulation model. The TRNSYS model was then used to project performance in different climates using local electric rates. Results of the study indicate that after some initial commissioning issues, the HPWH operated reliably with an annual average efficiency of 2.12 (Coefficient of Performance). The observed efficiency was lower than the unit's rated efficiency, primarily due to the fact that the system rarely operated under steady-state conditions. Changes in the system configuration, storage tank sizing, and control settings would likely improve the observed field efficiency. Modeling results suggest significant energy savings relative to electric storage water heating systems (typical annual efficiencies around 0.90) providing for typical simple paybacks of six to ten years without any incentives. The economics versus gas water heating are currently much more challenging given the current low natural gas prices in much of the country. Increased market size for this technology would benefit cost effectiveness and spur greater technology innovation.
Author : K. H. Zimmerman
Publisher :
ISBN 13 :
Total Pages : 97 pages
Book Rating : 4.:/5 (59 download)
Download or read book Heat Pump Water Heater Laboratory Test and Design Model Validation written by K. H. Zimmerman and published by . This book was released on 1986 with total page 97 pages. Available in PDF, EPUB and Kindle. Book excerpt:
