Gülşah

Viessmann Turkey: Poor After-Sales Service And Inaccessibility

Gülşah

Viessmann

October 16 5:16 PM1

I am extremely disappointed with Viessmann Turkey, particularly with its authorized service network and after-sales cust...omer support. We purchased a brand-new Viessmann Trend 19 boiler and had its initial installation carried out by an authorized service provider. Although we were told that the inst...