Research Article
Energy Performance Evaluation and Economic Analysis of Insulation Materials of Office Building in Korea
Table 6
Envelope performance of the target building.
| Building component | U value (W/m2·K) | Legal criteria (W/m2·K) | Building component | U value (W/m2·K) | Legal criteria (W/m2·K) |
| Wall (direct) | 0.244 | 0.270 | Window (direct) | 2.0 | 2.100 | Roof (direct) | 0.165 | 0.180 | Window (direct) | 1.9 | 2.100 | Floor (direct) | 0.254 | 0.290 | Window (indirect) | 2.4 | 2.600 | Floor (indirect) | 0.237 | 0.410 | Door (direct) | 1.8 | 2.600 | — | — | — | Door (indirect) | 2.3 | 2.100 |
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