HEAT EXCHANGER

A heat exchanger comprising: a plurality of parallel tubes (31) for conveying a fluid, inlet and outlet core plates (11, 21), each having a plurality of openings into which respective ends of the tubes are inserted in a fluid-tight manner, and inlet and outlet header tanks (13, 23) joined to the inlet and outlet core plates (11, 21), respectively, in a fluid-tight manner, the inlet and outlet header tanks cooperating with the inlet and outlet core plates to form a fluid inlet chamber and a fluid outlet chamber, respectively. [0002] An insulation plate (81) of thermally insulating material is arranged on the inlet core plate (11), the insulation plate comprising a frame portion (81a) and a plurality of bridge portions (81b) extending between opposite sides of the frame portion (81a), each of the bridge portions covering a respective area (11b) of the inlet core plate (11) between adjacent tubes (31).