HITACHI YUTAKI S (RASM-3VRE) MONOBLOK heat pump - 8 kW 1-Phase unit Using renewable energy like air, Hitachi Yutaki air source heat pumps are generating high energy savings having low impact on environment. Our products are the best support to the green transition and directly contribute to a sustainable and low carbon energy future. Among the best heating systems that suit for all kind of houses, air-to-water heat pumps are able to collect an important amount of energy using only few quantity o