Side-by-Side Testing of Water Heating Systems: Results from the 2013-2014 Evaluation

Stacey Rothgeb, Carlos Colon, Stacey Rothgeb (NREL Technical Monitor)

Research output: NRELSubcontract Report


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.
Original languageAmerican English
Number of pages43
StatePublished - 2017

Bibliographical note

Work performed by Building America Partnership for Improved Residential Construction, Cocoa, Florida

NREL Publication Number

  • NREL/SR-5500-65403

Other Report Number

  • DOE/GO-102017-4823


  • building america
  • heat pump water heater
  • hybrid tankless
  • residential
  • residential buildings
  • solar polymer
  • solar thermal water heating
  • tank insulation
  • thermal blanket water heater
  • water heater thermostat setting
  • water heating


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