Suitable for most common weather conditions in the UK can supply hot water at 55°C. High Performance range operates even at an outdoor temperature of -20°C while the full capacity is kept constant, down to -7°C outdoors. A single outdoor unit that supplies water for cooling, heating and/or for storing domestic hot water. This range can also be connected to a solar kit in order to increase efficiency and minimise the impact on the ecosystem. Finally, it is possible to connect a thermostat for even better heating and cooling control and management.