Cooling Load Factors: below grade wall
wall d0p9 R2p64 to wall d1p5 Uninsulated
ASHRAE cooling load calculation factors — people heat gain, lighting power density, luminaire heat fractions, motor efficiency, cooking/warewashing appliance heat gain, office/computer equipment heat gain, glazing optical properties, radiative/convective fractions, surface solar absorptance, wall and roof conduction time series (CTS), construction material layer properties, radiant time series (RTS), zone characteristics, and below-grade heat transfer coefficients. Source: ASHRAE Handbook Fundamentals 2021, Chapter 18.
| factor type | item id | depth below grade m (m) | insulation level | u factor W per m2K (W/(m2·K)) |
|---|---|---|---|---|
| below grade wall | wall d0p9 R2p64 | 0.9 | R-2.64 | 0.296 |
| below grade wall | wall d0p9 Uninsulated | 0.9 | Uninsulated | 1.571 |
| below grade wall | wall d1p2 R0p88 | 1.2 | R-0.88 | 0.579 |
| below grade wall | wall d1p2 R1p76 | 1.2 | R-1.76 | 0.379 |
| below grade wall | wall d1p2 R2p64 | 1.2 | R-2.64 | 0.283 |
| below grade wall | wall d1p2 Uninsulated | 1.2 | Uninsulated | 1.353 |
| below grade wall | wall d1p5 R0p88 | 1.5 | R-0.88 | 0.539 |
| below grade wall | wall d1p5 R1p76 | 1.5 | R-1.76 | 0.36 |
| below grade wall | wall d1p5 R2p64 | 1.5 | R-2.64 | 0.272 |
| below grade wall | wall d1p5 Uninsulated | 1.5 | Uninsulated | 1.195 |
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