Heat Pump Water Heater Technology Assessment Based on Laboratory Research and Energy Simulation Models

Research output: Contribution to conferencePaperpeer-review

7 Scopus Citations

Abstract

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).

Original languageAmerican English
Pages683-704
Number of pages22
StatePublished - 2012
Event2012 ASHRAE Winter Conference - Chicago, IL, United States
Duration: 21 Jan 201225 Jan 2012

Conference

Conference2012 ASHRAE Winter Conference
Country/TerritoryUnited States
CityChicago, IL
Period21/01/1225/01/12

Bibliographical note

See NREL/CP-5500-51433 for preprint

NREL Publication Number

  • NREL/CP-5500-56286

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