Expert Meeting Report: Exploring the Disconnect Between Rated and Field Performance of Water Heating Systems

Hoeschele, M.; Weitzel, E.

doi:10.2172/1081379

Cited by 2 publications

(4 citation statements)

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“…Hybrid water heaters deliver the same level of efficiency and energy savings with a design to increase delivery quality and reduce the initial cost. Data were compiled from several field studies (Bohac et al 2010;Schoenbauer 2012;Hoeschele 2012) to compare the installed performance of many different types of high-efficiency gas water heaters to a group of baseline water heaters. The baseline systems were natural draft storage water heaters.…”

Section: Comparing Advanced Water Heater Efficiencymentioning

confidence: 99%

“…The data were then compared to determine annual energy savings, installed efficiencies, and water delivery capabilities. The Davis Energy Group conducted a pre-/post-installation field study to monitor the performance of natural gas natural draft storage water heaters, power vent storage water heaters, gas tankless water heaters, and condensing storage water heaters (Hoeschele 2012). Both of these studies showed significant energy savings for condensing tankless water heaters, but despite substantial savings, system paybacks were long due to high installation costs for many retrofit applications.…”

Section: Introductionmentioning

confidence: 99%

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Simple Retrofit High-Efficiency Natural Gas Water Heater Field Test

Schoenbauer¹

2017

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The work presented in this report does not represent performance of any product relative to regulated minimum efficiency requirements.The laboratory and/or field sites used for this work are not certified rating test facilities. The conditions and methods under which products were characterized for this work differ from standard rating conditions, as described.Because the methods and conditions differ, the reported results are not comparable to rated product performance and should only be used to estimate performance under the measured conditions.v Contents List of Figures .

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Section: Comparing Advanced Water Heater Efficiencymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%