“Going green the smart way.” With this motto Vaillant recently presented its Green iQ product series featuring especially sustainable, efficient and intelligently networked heating appliances. The flexoTHERM heat pump can be flexibly combined with all regenerative heat sources. Installation and control for all models are identical. A user-friendly app enables faults to be recognized remotely and the most efficient operation to be set fast and easily. In energetic terms the flexoTHERM already fulfills the requirements of the energy label A+++. In addition, the appliance is the quietest of its efficiency class.