When installing a cogeneration plant it is necessary to carefully assess the return temperature of the system, which can cause irregularities and other components such as thermal accumulators which must be integrated in an appropriate manner to correctly regulate the heat input to the system and to make it more efficient, as Thomas Paes explains. For additional information on the Hans van Bebber Heizungsbau GmbH & Co. company. KG: www.grosspufferspeicher.de