Legambiente, Pomarance is one of the “most virtuous municipalities in the geothermal sector”

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Green Swan environmentalists applaud the” innovative air conditioning ” at the service of the City Hall

Within its latest report dedicated to renewable Communities, Legambiente proposes a focus on good practices from the territory and the stories of innovation in Italy: cases of excellence – companies, families, administrations – that invest in an innovative energy system, able to look to the future and bring production closer to the demand for energy.

Looking at the best practices related to geothermal energy, Legambiente emphasizes the experience gained by the Municipality of Pomarance – a real global capital of geothermal technologies, which were born here for the first time in the world over two centuries ago -, which among the various applications of this renewable source has chosen to focus on environmental sustainability and energy efficiency also for winter heating and summer cooling.

“With 8 geothermal district heating systems, 12 distribution plants that serve 2,250 users (almost all of the users in the municipal area) and 90 Gh Here, the Town Hall has equipped itself with a district cooling system that combines environmental sustainability, energy efficiency and respect for the architectural heritage of the community”.

In this case, the innovation for sustainability is based on three fundamental components: “First of all, the aforementioned district heating network which constitutes the green “fuel” with which an absorption chiller is fed, that is, a device capable of cooling the water of the building’s air conditioning system up to 7 C C, and then spreading the air, through induction or convection, in the various rooms through the network of cold beams installed inside the municipal building. In winter, instead, the hot water of the district heating is used directly which, feeding the beams, heats the internal air. The use of the cold beam system also guarantees to overcome some critical issues of traditional residential air conditioning systems, such as the noise of the ventilation fans and the periodic maintenance of the filters (since there is no filter or condensate collection tank there is no risk of bacterial proliferation). Last but not least, the limited indoor visual impact generated by the cold beams that, therefore, are well suited to be installed inside historic and prestigious buildings”, conclude from Legambiente.

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