Systems Evaluation at the Cool Energy House

Research output: NRELSubcontract Report


Steven Winter Associates, Inc. (SWA) monitored several advanced mechanical systems within a 2012 deep energy retrofitted home in the small Orlando suburb of Windermere, FL. This report provides performance results of one of the home's heat pump water heaters (HPWH) and the whole-house dehumidifier (WHD) over a six month period. In addition to assessing the energy performance of these systems,this study sought to quantify potential comfort improvements over traditional systems. This information is applicable to researchers, designers, plumbers, and HVAC contractors. Though builders and homeowners can find useful information within this report, the corresponding case studies are a likely better reference for this audience.
Original languageAmerican English
Number of pages60
StatePublished - 2013

Bibliographical note

Work performed by Consortium for Advanced Residential Building (CARB), Norwalk, Connecticut

NREL Publication Number

  • NREL/SR-5500-58713

Other Report Number

  • DOE/GO-102013-3942


  • air conditioning
  • air source heat pumps
  • Building America
  • comfort
  • Consortium for Advanced Residential Buildings (CARB)
  • cooling
  • dehumidification
  • dehumidifiers
  • heat pump
  • heat pump water heater
  • hot water
  • humid
  • latent
  • moisture content
  • relative humidity
  • residential
  • residential buildings
  • sensible
  • single family attached
  • single family detached
  • thermostat set point


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