desired room temperature and AC device air output temperature are different things (but not for tado
I use a tado to control a relatively old Panasonic AC device connected to an outdoors hear pump.
When I set the desired room temperature to, say, 20 degrees centigrade, the AC device blows out air "heated up" to 20 centigrades. Resulting in the room temperature staying significantly below the desired 20 degrees.
What I miss with the tado device, in particular if it controls AC heat pump devices, is to intelligently set the AC air temperature, in such a way that the desired temperature is achieved quickly (=AC air temperature significantly warmer than desired room temperature) and if the desired room temperature has been achieved, the AC air temperature is only slightly higher than the desired room temperature (avoiding frequent on and off of the heating).