Sauna or Turkish bath: 9500 € Heated indoor swimming pools: 37500 € Basic Home Automation + Alarm: 13500 € Complete home automation (alarm + lighting): 24000 € Fitness room: 9500 € Outdoor gas grill: 8500 € Controlled Mechanical Ventilation (CMV): 5500 € Cellar: 6000 € Three-phase sockets for electric vehicle charging: 2500 € Elevator: 30000 € Photovoltaic solar panels Installation: 27000 €