Stephan wants to make the living room and bathroom warmer on a cold March evening. The document outlines Stephan's preferences for the evening of March 3rd at 19:45 when it is 5 degrees Celsius outside - he wants the living room and bathroom to be cozier and warmer. Specifically for the bathroom, he prefers underfloor heating over radiators. The following slides will provide a paper prototype concept for controlling the temperature in these rooms to meet Stephan's conditions.