Closed until 08:00
| Phone | 041 319 50 50 |
| Technischer Support | 041 319 52 00 |
| Service | 041 319 50 60 |
| Sales Office - Wasser | 041 319 50 61 |
| Sales Office - Gas | 041 319 50 62 |
| Sales Office - Fernwärme | 041 319 50 63 |
| Sales Office - Smart Metering | 041 319 50 64 |
| Sales Office - Gebaudetechnik | 041 319 51 10 |
| Link | www.gwf.ch |
| Social Media |  |
| Mon-Thu: | 08:00-12:00, 13:00-17:00 |
| Fri: | 08:00-12:00, 13:00-16:00 |
| Special opening hours | |
|---|---|
| Für Besuche bitte im Voraus anmelden. |
