Energy consumption and comfort analysis for different low-energy cooling systems in a mild climate

Erik L. Olsen, Qinyan Chen

Research output: Journal article publicationJournal articleAcademic researchpeer-review

82 Citations (Scopus)


The mild UK climate makes many low-energy cooling systems both technologically and economically feasible. In this study, EnergyPlus, the newest US energy simulation program, is used to evaluate the potential energy savings of several different systems for a recently built building outside of London, UK. Results from validation studies are briefly presented with the conclusion that EnergyPlus provides sufficient accuracy for most energy simulation applications. Systems evaluated include chilled ceilings, displacement ventilation, natural ventilation, night cooling, and a traditional VAV system. Unusual features of the building model are presented. Results show that systems that maximize free cooling from outside air have the best energy performance, and that natural ventilation alone cannot provide year-round comfort in the building studied, but would be effective as part of a hybrid system.

Original languageEnglish
Pages (from-to)560-571
Number of pages12
JournalEnergy and Buildings
Issue number6
Publication statusPublished - Jul 2003


  • Energy simulation
  • Experimental validation
  • Hybrid ventilation
  • Mechanical ventilation
  • Natural ventilation
  • Office buildings

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Mechanical Engineering
  • Electrical and Electronic Engineering


Dive into the research topics of 'Energy consumption and comfort analysis for different low-energy cooling systems in a mild climate'. Together they form a unique fingerprint.

Cite this