IIR document

Potential savings in display case energy with reduced supermarket relative humidity.

Author(s) : HOWELL R. H., ROSARIO L., RIISKA D., et al.

Summary

Refrigerated display cases are normally rated at a store environment of 24 °C and a relative humidity of 55% in the USA. When a store is maintained at lower relative humidities, significant quantities of compressor energy, defrost energy and anti-condensation heater energy are saved. In a recent study eight supermarkets in the Tampa, Florida area, were monitored for twelve-seven day periods between November 1997 and October 1998. The total store energy bill (display cases, air-conditioning and lights) could be reduced by 5% for a 5% reduction in store relative humidity.

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Details

  • Original title: Potential savings in display case energy with reduced supermarket relative humidity.
  • Record ID : 2000-1380
  • Languages: English
  • Source: 20th International Congress of Refrigeration: Refrigeration into the Third Millennium.
  • Publication date: 1999/09/19

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