Reversible DC monobloc Air Conditioning system for marine applications, designed to provide high energy autonomy and easy installation without the need for a generator. It integrates the compressor, evaporator, and condenser into a single unit, optimizing space and simplifying installation in confined cabins. Featuring strong cooling capacity and reverse-cycle heating function, it incorporates a variable-speed BLDC motor with low power consumption and soft start without current peaks. With ECO mode for a minimal drain of current. Equipped with a corrosion-resistant titanium heat exchanger, it ensures quiet and stable operation. Supplied with self-contained unit, control box, touch display with decorative frame, and 6 m cable. Circulation pump not included.