The device consists of several distributed heat pumps (W1-WN) in the building, at least one central heat pump (WA1,WA2), a ring line (4) filled with liquid and at least one circulation pump (6) connected to the ring line, whereby liquid can be transported from the ring line into the heat pumps and returned to the ring line and liquid can be transported from the ring line into the central heat pump and back into the ring line
展开▼