DBT29-274-2019······1

1 總則······8

2 術語······9

3 一般規定······11

4 性能化設計······12

5 室內環境參數······14

6 技術指標······15

7 專項設計······17

7.1 熱橋處理······17

7.2 氣密性······19

7.3 新風熱回收······19

7.4 供熱供冷系統······20

7.5 衛生間與廚房通風······21

7.6 電氣與計量······21

附錄A 圍護結構保溫及構造做法······23

附錄B 外門窗設計選型及熱工性能······26

附錄C 能效指標計算方法······29

附錄D 建筑物碳排放計算方法······37

本規范用詞說明······39

引用標準名錄······40

條文說明······41

1 總則······43

2 術語······45

3 一般規定······47

4 性能化設計······53

5 室內環境參數······57

6 技術指標······61

7 專項設計······66

7.1 熱橋處理······66

7.2 氣密性······71

7.3 新風熱回收······73

7.4 供熱供冷系統······75

7.5 衛生間與廚房通風······78

7.6 電氣與計量······79

附錄A 圍護結構保溫及構造做法······82

附錄B 外門窗設計選型及熱工性能······83

附錄C 能效指標計算方法······84