Table 6 Constraint and guide values for the heating energy consumption indexes of buildings (source: Standard for Energy Consumption of Building (GB/T51161-2016))
Province | City | Heating energy consumption index of building [Nm3/(m2 a)] | |||||
|---|---|---|---|---|---|---|---|
Constraint value | Guide value | ||||||
Regional central heating | Residential quarter central heating | Single-building household heating | Regional central heating | Residential quarter central heating | Single-building household heating | ||
Shaanxi | Xi’an (natural gas) | 7.4 | 8.2 | 7.1 | 3.1 | 4.2 | 3.8 |
Shaanxi | Xi’an (coal) | 6.3 | 11.1 | / | 3.0 | 5.6 | / |