Save energy automatically and enjoy greater levels of comfort and convenience in your home: The Vitocomfort Plus app allows you to control your central heating and domestic hot water, light and shade, ventilation and much more conveniently from your armchair or while you are away from home. The Vitocomfort Plus app is the direct link to your Vitocomfort centre and offers you convenient access to all necessary components. Settings for heating, DHW time and temperatures can be made with Vitotronic control units for small oil/gas boilers built in or after 04/1999 and for wall mounted oil/gas boilers built in or after 04/2004.The functions natural cooling, active cooling, central mechanical ventilation and optimisation of on-site PV power consumption with heat pumps require a connection to a Viessmann heat pump with Vitotronic 200 type WO1C from 04/2015 and the corresponding functionality.