1BR+office (home office with 2 always on computers), air circulation with filtering, around 80 square meters, 2 people, also Germany, 3600kWh/Year (~90€/month)

1BR+office (home office with 2 always on computers), air circulation with filtering, around 80 square meters, 2 people, also Germany, 3600kWh/Year (~90€/month) That could probably triple if we had AC. Far worse if we had electrical heating.