| Activity | Hot water consumption (L/minute) | Consumption probability | ||
| Winter | Mid-season | Summer | ||
| Washing face | 1.00 | 0.00 | 0.00 | 1 |
| Bathing | 1.67 | 2.00 | 2.50 | 1/3 |
| Cooking | 0.80 | 0.00 | 0.00 | 1/2 |
| Filling the bath | 6.67 | 6.67 | 6.67 | 1 |
| Reheating the bath | 2.67 | 2.67 | 2.67 | 1 |