HEAT EXCHANGER AND HEAT PUMP TYPE WATER HEATER INCLUDING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a heat exchanger having excellent heat exchange efficiency and a heat pump type water heater including the heat exchanger.

SOLUTION: The heat exchanger 21 includes: a metal tube 47 having a supporting member 55 for suppressing deformation in the thickness direction within a fluid channel 53; and a multi-hole metal tube 45 which is laminated on one side of the metal tube 47 in the thickness direction to face the outer surface 61 of the metal tube 47 on one side thereof and at least part of which has a facing surface joined to the outer surface 61 on the one side.

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