Compact system consisting of a Vaillant aroTHERM plus 5 kW single-phase heat pump with R290 natural gas and an uniTOWER plus indoor unit with a 190 L boiler. It guarantees hot water and heating up to 75 °C with energy class A+. The factory-sealed refrigerant circuit allows for quick installation without an F-Gas license. Ideal for new homes, it ensures comfort in every season and high performance even in cold outdoor temperatures.