I have one - the clever features are switched off because they didn't work (didn't heat up the place to the temperature I wanted). I just have a set schedule in

I have one - the clever features are switched off because they didn't work (didn't heat up the place to the temperature I wanted). I just have a set schedule instead. It has a nice phone based UI and looks very classy. The thermostat can start to read too high (possibly due to the device itself generating heat) so it can get colder than the temperature that you've set.