Housing for a heating, ventilation and/or air conditioning device of a motor vehicle

A motor vehicle comprising:

• an engine compartment;
• and
• a cabin with the engine compartment and the cabin being separated by a panel;
• and
• a device comprising a housing defining an air duct for the flow of an air flow, the housing comprising:
• an inlet module comprising at least one air inlet, with an air filter being arranged inside the inlet module;
• and
• a distribution module, comprising at least one air outlet;
• the inlet module and the distribution module being assembled together in a detachable manner,
• wherein the detachable manner is characterized by an attachment means connecting the inlet module and the distribution module, the attachment means selected from a group consisting of:
• clips, threaded screws, threaded bolts and nuts, and corresponding male and female parts arranged on each of the inlet module and the distribution module,
• wherein the inlet module is configured to be arranged in a first area of a vehicle, the distribution module is configured to be arranged in a second area of the vehicle, with the air filter being able to be removed from the second area of the vehicle,
• wherein the inlet module and the distribution module are detachably and sealably assembled to the panel, the panel comprising a first opening for allowing through the air flows originating from the inlet module inside the distribution module.