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1、浅谈建筑节能的技术途径及动态(Discussionontechnicalapproachesandtrendsofbuildingenergyefficiency)Buildingenergyconsumptionisbuildingenergyconsumption,includingheating,airconditioning,hotwatersupply,cooking,householdappliancesandotheraspectsofenergyconsumption.Amongthem
2、,thebuildingheatingandair-conditioningenergyconsumption,accountingfor50%~70%ofthetotalenergyconsumptionofthebuilding.WiththerapiddevelopmentofChina'seconomyandtheimprovementofpeople'slivingstandard,thebuildingenergyconsumptioninChinaisincreasingdaybyday.
3、In1999,theproportionofbuildingenergyconsumptiontototalenergyconsumptionhasreached20%-25%.Inwesterncountries,buildingenergyconsumptionaccountsfor30%-40%ofthetotalenergyconsumptioninchina.Therefore,withthecontinuousimprovementofpeople'slivingstandards,urba
4、nizationandthedeepeningofthereformofhousingsystem,China'sbuildingenergyconsumptionwillbefurtherincreased.BuildingenergyconsumptioninChina'sgrowthinspaceislarge,isChina'sfutureenergyconsumptionisamajorgrowthpoint.In1999,thetotalenergyconsumptionintheUnite
5、dStatesaccountedforabout26%ofthetotalenergyconsumptionintheworld,andthebuildingenergyconsumptionwasclosetothetotalenergyconsumptioninchina.BecauseofChina'spopulationisabout4.5timesthepopulationoftheUnitedStates,ifChina'spercapitaenergyconsumptionlevelper
6、capitalevelintheUnitedStates,thenChina'sbuildingenergyconsumptionwillaccountfor40%ofthetotalenergyconsumptionofthewholeworld.It'shardtoimagine.WiththecontinuousgrowthofChina'seconomy,peoplerequirethedegreeofcomfortofindoorenvironmentcontinuestoimprove,bu
7、ildingenergysavinginourcountryhowtodo?Butnotattheexpenseofbuildingenergysavinghumancomfortandhealthcosts,otherwisetheenergybecomesmeaningless.Theso-calledbuildingenergyefficiencymeanstoimprovetheefficiencyofenergyutilizationinbuildings,andmaximizetheecon
8、omicandsocialeffectswithlimitedresourcesandminimumenergyconsumptioncosts.Therefore,buildingenergyconservationisanimportantmeasuretoimplementthestrategyofsustainabledevelopment,achievethegoalofnationalenergyconservationplan