Liquid/air heat exchanger for a vehicle heater

The fluid/air heating heat exchanger (10) has a fluid inlet (12) and a fluid outlet (14) for connection to a motor vehicle heating circuit and a heat exchange arrangement (16) for transferring heat from the fluid to an air flow. The fluid/air heating heat exchanger has a burner for heating fluid. The burner contains a combustion gas/fluid heat exchanger arranged in a fluid container between the fluid inlet and heat exchange arrangement. Independent claims are also included for the following: (a) an air conditioning device with an inventive device; and (b) a system for air conditioning the interior of a motor vehicle.