Amazon-backed start-up tado uses smart thermostats to cut heating emissions | Clean Energy Wire
tado° Smart Thermostat - Add-on for Multi-Room Control, Intelligent Heating Control : Amazon.com.au: Home Improvement
tado° Wireless Smart Thermostat Starter Kit v3+
tado° Smart Radiator Thermostat - WiFi Starter Kit V3+ - 2X Smart Radiator Valve, Digital Heating Control Via App, Easy Installation, Save Energy - Works with Alexa, Apple Siri, and Google Assistant :