The X Series heat pump integraes cooling, hydronic heating, and domestic hot water via one outdoor unit with inverter-based load sharing. It uses R-32 refrigerant, supports 180–230 L hot water storage, and connects to HEMS via Onecta for centralized, PV-optimized energy management.
Japanese heating system manufacturer Daikin has announced this week it will begin selling a new residential heat pump system with a mixed design in Europe in September.
The X Series heat pump blends air-to-air and air-to-water technologies into a unified system. While multi-split systems combining air-to-air cooling and domestic hot water are already on the market, including Daikin’s own Multi+ line, the X Series introduces full-scale hydraulic space heating into the mix. This architecture allows a single outdoor unit with five integrated ports to simultaneously manage forced-air cooling, radiant underfloor heating or water radiators, and domestic hot water production.
By consolidating these functions, the system eliminates the hardware footprint, redundant piping, and installation complexity typically associated with running separate heat pump systems for air conditioning and hydronic loops, according to the manufacturer.
