![Villefranche, France - May 27, 2018: Viessmann logo on a wall. The Viessmann Group is an international manufacturer of heating, industrial Stock Photo - Alamy Villefranche, France - May 27, 2018: Viessmann logo on a wall. The Viessmann Group is an international manufacturer of heating, industrial Stock Photo - Alamy](https://c8.alamy.com/zooms/6/b6e4c68906554248811076819d05c03b/myj3xd.jpg)
Villefranche, France - May 27, 2018: Viessmann logo on a wall. The Viessmann Group is an international manufacturer of heating, industrial Stock Photo - Alamy
![Fin mars, Viessmann France a réuni 900 représentants de son réseau d'installateurs Proactif pour sa Convention Nationale 2019 - Filière 3e Fin mars, Viessmann France a réuni 900 représentants de son réseau d'installateurs Proactif pour sa Convention Nationale 2019 - Filière 3e](https://www.filiere-3e.fr/wp-content/uploads/2016/12/Viessmann_Logo.jpg)
Fin mars, Viessmann France a réuni 900 représentants de son réseau d'installateurs Proactif pour sa Convention Nationale 2019 - Filière 3e
![Viessmann and the UN SDG Action Campaign Join Forces to Mobilize Millions to Take Critical Action on the Sustainable Development Goals | by UN SDG Action Campaign | Medium Viessmann and the UN SDG Action Campaign Join Forces to Mobilize Millions to Take Critical Action on the Sustainable Development Goals | by UN SDG Action Campaign | Medium](https://miro.medium.com/v2/resize:fit:1400/0*suwB7Or4sB4QL6Gl.jpeg)