Thermal comfort and energy saving of a personalized PFCU air-conditioning system

Chung Shu Pan*, Hsu Cheng Chiang, Ming Chih Yen, Chi-Chuan Wang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

58 Scopus citations

Abstract

This paper evaluates the performance of a personalized air-conditioning system, namely an innovative partition-type fan-coil unit (PFCU), against that of a central air-conditioning system, in terms of their thermal comfort provided and cooling energy consumed. For a cooling load given, it is found that the thermal comfort index (PMV) resulted from the personalized system is always lower than that from a central system. Also, the PMV-curve of the personalized system responds to the loads faster. The experimental results indicate that the personalized system, as compared to the central system, can shorten the operation time for the same level of thermal comfort required and save up to 45% of the energy consumed by the central system. As regards thermal comfort, the experiment with a thermal manikin substrates the PFCU design for its considerable reduction of the cold draft.

Original languageEnglish
Pages (from-to)443-449
Number of pages7
JournalEnergy and Buildings
Volume37
Issue number5
DOIs
StatePublished - 1 May 2005

Keywords

  • Energy saving
  • Partition-type fan-coil unit (PFCU)
  • Personalized air-conditioning system
  • Thermal comfort
  • Thermal comfort index/predicted mean vote (PMV)

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