The filter (16) is placed so its air entry surface (24) stands vertical with the cover (22) set parallel to this surface (24) when closing off the opening (20). The cover has a swivel of around 90 degrees , being removable when fully swung out. The cover (...

The auxiliary electrical heater (10) for a passenger vehicle heats air and has an air outlet opening (14) in the lower area of the vehicle door (16). The heater is an electrical PTC - (Positive Temperature Coefficient) heater (22) mounted directly in the a...

The heating system has at least one first (10) and second heating device (12), and at least one controller. There is at least one flow path between the heating devices, a non-return flap (56) preventing flow from the first to the second heating device and ...

The heating system has at least one first heating device (10) and at least one second heating device (12), at least one flow path between the first and second heating devices and at least one auxiliary fan (50) for producing a flow from the second heating ...

The auxiliary heating device (16) has a fuel supply (22) for supplying fuel to a burner (20) of the auxiliary heating device (16) and a control device (28) for controlling the operation of the auxiliary heating device (16). In order to further reduce the p...

The auxiliary water heater (30) is for a vehicle (10), the engine (14) of which has a coolant circuit (16) with a cooling unit (18, 20, 22). The cooling unit can be coupled to a heating circuit (26) of the water heater, so that the water heater will not be...

The invention relates to an arrangement for heating a vehicle interior, in particular a truck driver cab, a bus interior or a passenger compartment of a motor vehicle, with a ventilation device (10) for drawing in fresh air via a fresh air intake area and ...