Research Article
Analysis of Window Components Affecting U-Value Using Thermal Transmittance Test Results and Multiple Linear Regression Analysis
Table 1
Examples of U-value test results and window components.
| Specimen number | Frame material | Window opening type | Single or double window | Frame width (mm) | Glazing detail (material and thickness (mm)) | Spacer material | U-value (W/m2K) | Test date (yy.mm.dd) |
| 1 | Stainless steel and aluminum | Swing | Double | 100 | Low E 6 mm-argon gas 16 mm-clear 6 mm | PVC | 1.794 | 2015.03.25–03.26 | Low E 6 mm-argon gas 12 mm-clear 6 mm | 2 | Aluminum | Swing | Single | 150 | Clear 6 mm-air 12 mm-low E 6 mm | PVC | 2.688 | 2015.01.30–01.31 | ∼532 | Aluminum | Fixed | Single | 180 | Low E 6 mm-argon gas 14 mm-clear 5 mm-argon gas 12 mm-low E 5 mm | PVC | 0.9165 | 2016.04.22–04.22 |
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