黑龙江省地方标准 DB23/T3677—2024 黑龙江省既有公共建筑超低能耗 节能改造设计标准 Designstandardforultra-lowconsumptionandenergysavingReconstruction ofExistingpublicBuildingsinHeilongjiangprovince 2024-06-13发布 2024-09-15实施 发布ICS91.040.10 CCSP30 23 黑龙江省市场监督管理局 黑龙江省住房和城乡建设厅 DB23/T3677—2024 I目次 前言..................................................................................II 1范围................................................................................1 2规范性引用文件......................................................................1 3术语和定义..........................................................................2 4总则................................................................................2 5基本规定............................................................................2 6诊断评估............................................................................3 7建筑改造设计........................................................................5 8建筑设备系统改造...................................................................11 9性能化设计与评价...................................................................13 附录A（规范性）既有建筑超低能耗节能改造诊断评估表...................................15 附录B（规范性）常用材料性能参数.....................................................20