Research Article
Analysis and Research on Energy-Saving Reconstruction of Building Heating System
| Parameter name | Parameter value | Unit |
| Days of heating period | 150 | d | Heating load | 648.55 | kW | Inside air calculating temperature for heating | 18 [15] | °C | Outdoor mean air temperature during heating period | 1.1 [15] | °C | Outdoor air temperature for heating calculating | -6.6 [15] | °C | Annual consumption of heat | 6525.99 [16] | GJ | Calorific value of natural gas | 38.6 [17] | MJ/m³ | Thermal efficiency of boiler | 0.9 | | Natural gas consumption | 187790.09 | m3 | Overall floorage | 9970 | m2 | Gas fee | 60.28 | Chinese Yuan/m2 |
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