When do I turn on the heating in Milan? Here are the dates for 2021

In late autumn and with a widespread drop in temperatures, one begins to wonder when it will be possible to turn on the heaters. The official dates are the same as last year, regulated by a national law, but it is then the different Municipalities who decide whether to bring them forward or postpone them.

The thermal season will begin in a few days, on October 15th, and will last until April 15th. Until then, the heating systems of the buildings will be able to remain on for a maximum of 14 hours a day, respecting the preset temperature values, which in residential buildings are 20 degrees. However, it will be possible to anticipate the ignition in case of extreme climatic situations.

However, not all areas of Italy follow the same dates, but are regulated according to a division into six bands, which correspond to different hourly intervals of condominium heating, according to the characteristics of the climate and the average seasonal temperatures of each place.


In general, the date on which the heaters are switched on depends on the area in which you live. Italy, from North to South, is in fact divided into 6 different climatic zones based on average daily temperatures. Each zone corresponds to a different heat requirement identified in order to optimize consumption, but also to contain CO2 emissions and the economic impact.


The first cities where heaters can be turned on are those located in zone F, that is to say in alpine belt, Belluno and Trento. In this case there is no imposition, neither on the switch-on and switch-off dates nor on the times. This means that, depending on the temperatures, the heaters can be switched on for the necessary number of hours per day.

The limitations instead come with Zone E which corresponds to the traditionally colder cities, where temperatures drop earlier and the cold is felt. Not all are located in the North, some of them in fact are located in the Center, others in the South. The municipalities in Zone E are Alessandria, Aosta, Asti, Bergamo, Biella, Brescia and Como, Cremona, Lecco, Lodi, Milano, Novara, Padua, Pavia, Sondrio, Torino, Varese, Verbania, Vercelli and Bologna, Bolzano, Ferrara, Gorizia, Modena, Parma, Piacenza, Pordenone, Ravenna, Reggio Emilia, Rimini and Rovigo, Treviso, Trieste, Udine, Venezia, Verona, Vicenza, Arezzo, Perugia, Frosinone, Rieti, Campobasso, Enna, L’Aquila and Potenza. In this range, the heaters turn on on October 15th and turn off on April 15th. As for timetables, the maximum daily limit is set at 14 hours a day.

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