Includes Extension Kit for homes with a hot water tank to control the hot water via the tadoÂ° app. Make your central or underfloor heating smart. Save energy and maximise comfort. tadoÂ° works with all common heating systems (gas or oil) found in independent homes. tadoÂ° works with most gas boilers found in apartments. tadoÂ° works with underfloor heating systems. It learns your systemâ€™s behavior and adjusts the heating accordingly.