## **Connected** Buildings to **Manage Consumption**

By replacing fuel oil with natural gas, installing 7,000 thermostatic valves, and integrating the digital Hubgrade solution, Milan optimizes its heating, ventilation, and lighting systems. Smart management enables an average reduction of 25 to 35% in energy consumption.



 

 

 



 

 

   ![Visual showing the city of Milan on the map of Italy](/sites/g/files/dvc4206/files/image/2025/07/map-milan-italie-604x302.png)   





 

 

 



 

 

 

 





 

 

 

 





**1,200**  
**municipal buildings** involved



 

 

 

 

 

 



 

**7,000**  
**thermostatic valves** installed



 

 

 

 

 

 



 

Up to  
**35%**  
**energy savings**



 

 

 

 

 

 



 

**Reduction in CO₂ emissions and improved indoor comfort**



 

 

 

 

 

 



 

 

 





 

 

   ![Energy recovery pictogram](/sites/g/files/dvc4206/files/styles/default/public/image/2025/07/picto-recuperation-energie-604.png.webp?itok=EpooOuUy)   



## Key figures



 

 

 



 

 

 

 





 

 

   ![Background (Codant Veolia)](/sites/g/files/dvc4206/files/styles/crop_freeform/public/image/2025/03/background.png.webp?itok=uD4W93Mt)   





 

 

 

 

 





<a class="ck-anchor" id="telechargement">-</a>

### Discover how Veolia is transforming  
**environmental challenges into opportunities**

[Download the full case study](/en/ecological-transformation-case-studies-full-brochure)

 



 

 

 



 

 

   ![Pictogramme icon étude de cas case studies](/sites/g/files/dvc4206/files/styles/default/public/image/2025/03/Case%20study%20-%20icon.png.webp?itok=sWYmTNRI)   





 

 

 



 

 

 

 





 

 

 

 





#### Download the full brochure



 

 

 



   ![Icon pictogramme téléchargement download](/sites/g/files/dvc4206/files/styles/default/public/image/2025/03/Te%CC%81le%CC%81chargement%20libre_0.png.webp?itok=RAVn1d7f)   



**By downloading the brochure, you will have access to the full case studies, including:**

• **Specific technologies** implemented  
• Exclusive **key figures**...

Discover how Veolia can support you in the ecological transformation of your real estate portfolio through its solutions in water, energy and waste!

[Download the full brochure](/en/ecological-transformation-case-studies-full-brochure)

 



 

 

 



 

 

   ![Cover brochure - Achieving the successful ecological transformation of your buildings together](/sites/g/files/dvc4206/files/image/2025/08/Cover%20brochure%20-%20Achieving%20the%20successful%20ecological%20transformation%20of%20your%20buildings.png)   





 

 

 



 

 

 

 





 

 

   ![Ensemble de bâtiments](/sites/g/files/dvc4206/files/styles/crop_freeform/public/image/2025/03/transformation-ecologique-batiments-1084x610_0.jpg.webp?itok=6pHXY5QJ)   





 

 

 

 

 





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