The tado° Smart Thermostat lets you control an additional heating zone when used with the tado° Smart Thermostat Starter Kit (v3). You can control each individual zone, such as underfloor heating, to ensure your home is always at the perfect temperature.Connecting via the Internet Bridge (sold separately), the Smart Thermostat can be controlled from the app or from the Thermostat itself. tado° works with most old and new heating systems, and could be used to replace a multi-zone or underfloor heating themostat.__________________________________________Please note: A compatible hub (sold separately) is required to connect your smart home device.