@Andremain
Tado themselves have so far failed to product an official Smartthings integration there is a feature request listed here -
I currently use a Nest v3 but do plan to switch to Tado. Tado is certainly not perfect indeed the number of annoyances has grown but right now it is the best of a bad bunch. There is an unofficial Smartthings integration in these forums here -
What type of heating system do you have? Do you have multiple zones? Radiators? Underfloor heating? Electric underfloor or baseboard heaters?