German smart home supplier Tado announced a new smart thermostat and smart radiator thermostat at IFA 2016 in Berlin this week. The radiator thermostat provides users with multi-room control, letting you turn on the radiator in one room while keeping others cool. Users can purchase radiator thermostats for each room. See Also: Netatmo knocks on doors and windows with Welcome Room temperature can be controlled through voice commands now, thanks to Amazon Alexa and Apple HomeKit support.