| A | B | C | D | E | F | ||
| Completion | 2001 | 2005 | 1999 | 2001 | 2002 | 2001 | |
| Floor area, m2 | 146 | 166 | 227 | 135 | 129 | 156 | |
| Total equivalent leakage area per its floor area, cm2/m2 | 0.7 | 1.8 | 0.3 | 2.3 | 1.5 | 2.3 | |
| Basement | Concrete foundation wall, Floor insulation | ○ | |||||
| Concrete slab, Floor insulation | ○ | ○ | |||||
| Concrete slab, Foundation wall insulation | ○ | ○ | |||||
| Main heating equipment | Water heating system with panel radiators | ○ | ○ | ○ | |||
| Electric heater with heat storage | ○ | ○ | |||||
| Vented kerosene heater | ○ | ||||||
| Ventilation system | Exhaust-supply ventilation system | ○ | ○ | ○ | ○ | ||
| Exhaust ventilation system | ○ | ○ | |||||