Size of the municipality Availability of Heating in for the dwelling Total Total Number of households (thousands) 16,466.2 Total Available of hot water boilers 47.9 Total Available from others types of Systems Permanent of Heating 23.6 Total Did not have any kind of fixed heating system 28.4 Total No data recorded 0.0 Less than 10,000 inhabitants Number of households (thousands) 3,589.3 Less than 10,000 inhabitants Available of hot water boilers 47.8 Less than 10,000 inhabitants Available from others types of Systems Permanent of Heating 23.1 Less than 10,000 inhabitants Did not have any kind of fixed heating system 29.1 Less than 10,000 inhabitants No data recorded .. Between 10,000 and 50,000 inhabitants Number of households (thousands) 3,956.8 Between 10,000 and 50,000 inhabitants Available of hot water boilers 42.7 Between 10,000 and 50,000 inhabitants Available from others types of Systems Permanent of Heating 27.3 Between 10,000 and 50,000 inhabitants Did not have any kind of fixed heating system 30.0 Between 10,000 and 50,000 inhabitants No data recorded .. Municipalities between 50,000 and 100,000 inhabitants Number of households (thousands) 2,001.8 Municipalities between 50,000 and 100,000 inhabitants Available of hot water boilers 47.6 Municipalities between 50,000 and 100,000 inhabitants Available from others types of Systems Permanent of Heating 23.7 Municipalities between 50,000 and 100,000 inhabitants Did not have any kind of fixed heating system 28.8 Municipalities between 50,000 and 100,000 inhabitants No data recorded .. Between 100,000 and 500,000 inhabitants Number of households (thousands) 3,958.3 Between 100,000 and 500,000 inhabitants Available of hot water boilers 47.2 Between 100,000 and 500,000 inhabitants Available from others types of Systems Permanent of Heating 20.3 Between 100,000 and 500,000 inhabitants Did not have any kind of fixed heating system 32.5 Between 100,000 and 500,000 inhabitants No data recorded 0.0 More than 500.000 inhabitants Number of households (thousands) 2,959.9 More than 500.000 inhabitants Available of hot water boilers 56.3 More than 500.000 inhabitants Available from others types of Systems Permanent of Heating 23.8 More than 500.000 inhabitants Did not have any kind of fixed heating system 19.9 More than 500.000 inhabitants No data recorded ..