The electronic MEGATRONIC controllers of OCHSNER high capacity heat pumps are state of the art. They control and monitor the heat pump and record all the relevant values in real time. Periphery control allows the control of circulation pumps and valves as well as buffer management, switching of heating, and active and passive cooling. Clear displays and logging of measured values provide the user with valuable information. Integration in a building management system is supported, as well as remote monitoring via LAN or the internet.