Tab. 1
Operating principles of DRV
| Ambient T (°C) | Start-up (a.m.)—programmable | |
|---|---|---|
| Heating mode | <16 | 05:00 |
| 16–18 | 06:00 | |
| 18–20 | 07:00 | |
| ≥20 | 08:00 | |
| Cooling mode | ≤26 | 08:00 |
| 26–27 | 07:00 | |
| 27–28 | 06:00 | |
| >28 | 05:00 |
Fig. 1
Distribution of operative temperatures in the heating season.
Fig. 2
Distribution of relative humidity ratios in the heating season.
Fig. 3
Distribution of operative temperatures in the cooling season.
Fig. 4
Distribution of relative humidity ratios in the cooling season.
Fig. 5
Distribution of PMV values.
Fig. 6
Distribution of PPD (%) values.
Fig. 7
Distribution of thermal complaints per season.
Tab. 3
Statistics for numerical independent variable
| Operative temperature | Relative humidity | |
|---|---|---|
| N | 53 | 53 |
| Mean | 23.8383 | 41.0077 |
| Median | 23.7400 | 41.1000 |
| Mode | 23.20 | 19.32 |
| Standard Deviation | 1.27730 | 7.25820 |
Tab. 5
Results of the first model
| Observed | Predicted | ||||
|---|---|---|---|---|---|
| Thermal complaint | Percentage corrected | ||||
| Too warm | Too cold | ||||
| Step 0 | Thermal complaint | Too warm | 28 | 0 | 100.0 |
| Too cold | 25 | 0 | 0.0 | ||
| Overall percentage | 52.8 | ||||
Tab. 6
Omnibus tests of model coefficients
| Chi-squared test | df | p value | ||
|---|---|---|---|---|
| Step 1 | Step | 54.108 | 3 | 0.000 |
| Block | 54.108 | 3 | 0.000 | |
| Model | 54.108 | 3 | 0.000 | |