The iPac unit in 2, 3 and 4 compressors configurations, offer a compact, energy savings, plug and play solution to be fit into any refrigeration application where otherwise a multiple condensing unit will be required. The iPac range is a further identification of the basic philosophy of the Added Value Products by BITZER. It incorporates all the high quality features of the well known and qualified MultiPac semi-hermetic reciprocating compressor racks and at the same time it includes additional features characteristics of this new energy saving technology.