The smart thermostat developer, already backed by Siemens and Statkraft, has added ?ez Group to its shareholders as part of a $23m series C round.

Tado, a Germany-based smart climate control technology producer, received $23m in series C funding from Inven Capital, the corporate venturing division of energy utility Čez Group, yesterday.

Founded in 2011, Tado has developed a system that integrates a smart thermostat and air conditioning control technology with a smartphone app that detects when a user is coming or leaving home, and automatically adjusts the temperature accordingly.

The system can be integrated with local weather forecasts and adapts to user behaviour. Homeowners…