Implementation and explorations of HVAC design in underground commercial complexes in urban renewal
Taking the renovation of a certain underground commercial complex in Chongqing as an example,this paper elaborates on the general principle of"retention,modification,and demolition"that should be adhered to in"urban renewal",preventing large-scale demolition and construction.It comprehensively analyzes the difficulties in HVAC design concerning"retention,modification,and demolition",focusing on six aspects:reuse of machine rooms,air conditioning water systems,air conditioning air systems,fume exhaust systems,indoor net storey height,and natural ventilation,and proposes corresponding solutions.The operational data measured after the renovation indicates that the air conditioning system has achieved comfortable,energy-saving,and economical effects,which can provide a reference for similar renovation projects.
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