GBT51285-2018······1

1 總則······9

2 術語······10

3 基本規定······12

4 項目邊界與能耗的確定······13

4.1 一般規定······13

4.2 項目邊界······13

43 能耗的確定······13

5 建筑節能量計算方法······15

5.1 一般規定······15

5.2 賬單法······15

5.3 測量法······16

5.4 模擬法······16

本標準用詞說明······17

引用標準名錄······18

附:條文說明······19

1 總則······22

2 術語······23

3 基本規定······24

4 項目邊界與能耗的確定······25

4.1 一般規定······25

4.2 項目邊界······26

4.3 能耗的確定······26

5 建筑節能量計算方法······29

5.1 一般規定······29

5.2 賬單法······29

5.3 測量法······37

5.4 模擬法······41