I live in a rental and until I went down the Hive route I didn't have a thermostat at all; just a programmable boiler with a very basic set of programming features. My Hive has massively reduced ...

As a rule of thumb, if it has a relatively new programmer or a thermostat you can usually add a smart thermometer with the minimum of fuss. • Nest’s compatibility guide is here.

With a thermostat that is smart, you also can control the heating ... Salus and Eve didn't provide us with specific information on update support periods. Also notable is Hive, which announced it will ...