Vehicle Heating, Ventilating and/or Air conditioning unit

A vehicle heating, ventilation and/or air conditioning unit (10) comprises a housing for the unit in which air flow channels for hot and/or cold air flows are provided. At least one rotatable air flap (35) for opening and closing at least one air flow channel is provided, the air flap (35) having a first flap wing (46) with a first channel closure area and at least one second flap wing (48) with a second channel closure area. The second flap wing (48) is rigidly connected to the first flap wing (46) wherein an intermediate air flow channel (52) is formed between the first and second flap wings (46, 48). A further vehicle heating, ventilation and/or air conditioning unit comprises an air mixing chamber (26) having hot and cold air inlet openings (28, 30) and at least two mixed air outlet openings (32, 32', 33) with air flaps (34, 34', 35) which are able to close the corresponding mixed air outlet openings (32, 32', 33). An air guiding element (36) is provided in the mixing chamber (26), the air guiding element (36) comprising at least one hot air tube channel (38) extending from the hot air inlet opening (28) and having a hot air outlet opening (40) in front of one of the mixed air outlet openings (33).