Thecoolingandheatingloaddistributionoflargeareaair-conditionedroomsuchas'open'offices,shoppingmallsandwaitingroomsisusuallyassumedtobeeveninairconditioningsystemdesign.However,itisnotthecaseinreality,andalowefficientairconditioningsystemresultsfromthisassumption.AsimulationandanalysisofthecoolingloaddistributionofanofficebuildinginHongKongwithTRANSYSsoftwareisprovidedinthispaper.Atypicalofficeispidedinto13zonesforsimulation,includingexternalzone,medialzoneandinternalzoneinthenorth,thesouth,theeastandthewestrespectivelyandacentralzone,insteadof4directionalzone.Theresultshowsthereismuchcoolingloaddifferencebetweeneachzone,andmoreattentionshouldbepaidtounevenindoorcoolingandheatingloaddistributiontofurtherguidethedesign.
