Table 2.
Distribution of the environmental variables for the building renovation application
| Parameter | Distribution | Parameter 1a | Parameter 2b |
|---|---|---|---|
| Room temperature (degree C) | Uniform | 20 | 23 |
| Airflow (m3/h,m2) | Uniform | 0.7 | 1 |
| Inflation rate (%) | Uniform | 0.005 | 0.02 |
| Discount rate (%) | Uniform | 0.035 | 0.045 |
| Uncertainty on exterior wall cost (%) | Uniform | − 20 | 20 |
| Uncertainty on exterior wall GWPc (%) | Uniform | − 20 | 20 |
| Uncertainty on windows cost (%) | Uniform | − 20 | 20 |
| Uncertainty on windows GWP (%) | Uniform | − 20 | 20 |
| Uncertainty on slab against unheated cost (%) | Uniform | − 20 | 20 |
| Uncertainty on slab against unheated GWP (%) | Uniform | − 20 | 20 |
| Uncertainty on slab against unheated RSLd (%) | Uniform | − 20 | 20 |
| Heating efficiency loss (%) | Uniform | 15 | 25 |
| Exterior wall conductivity | Gumbel | 0.69 | 0.18 |
| Exterior wall RSL (years) | Lognormal | 32 | 2 |
| Windows RSL (years) | Lognormal | 32 | 2 |
aCorresponds to the lower bound for uniform distributions and to the mean for non uniform distributions.
bCorresponds to the upper bound for uniform distributions and to the standard deviation for non uniform distributions.
cGWP stands for global warming potential.
dRSL stands for reference service life