Contact us
I.ON supports you in your energy improvement process.
Contact us and we will do our best to get back to you as soon as possible.
I.ON Energy Services
- Route de Gilly 30, 1180 Rolle
- Route de la fonderie 2, 1700 Fribourg
- Wattwerkstrasse 2, 4416 Bubendorf
- Zürcherstrasse 46, 8400 Winterthur
- 0800 800 840 Free Infoline
- info@ion-e.ch