At CTC we have always believed in flexible heating solutions. Using all of our 90 years of experience we bring you Energy Flex. Energy Flex allows multiple heat sources, multiple stores and a multitude of other heating components to be successfully integrated. At the heart of the Energy Flex solution is the EcoZenith, our innovative, high performance thermal store and intelligent controller.The concept is based on an environmentally friendly, economical and flexible heating system consisting of a CTC EcoZenith intelligent thermal store. Then, by connecting to one of our Heat pumps or biomass boilers, you are prepared for the future.