Daikin. Altherma. R Hybrid. Heat pump indoor unit. Wall-mounted indoor unit with air-to-water heat pump, for heating and domestic hot water. Based on the outdoor temperature, the energy prices and the internal heating demand, the hybrid heat pump always switches to the most favourable operating mode. Low investment costs: existing radiators (up to 80°C) and pipework do not need to be replaced. Provides sufficient heating, even in renovated homes, as it can handle all heating demands up to 32 kW. Simple and quick to install thanks to the compact dimensions and the quick connections.