Marine vertical cabinet air conditioner adopts imported hermetically sealed compressors, low-noise fans, frame-type structures and high-quality thin-plate casings. These features endow the product with compact structure, sturdiness and reliable operation, making it suitable for various types of ships. It is available in cooling and heating type (electric heating) and cooling-only type, and can also be designed as steam heating type or hot water heating type according to user requirements. Air supply/return modes can be customized to meet user needs.