Blog
Case studies from delivered vessels, selection guides, and news from JOSUN.
Case studies
Offshore Oil 292: HVAC&R for a Deepwater Offshore Engineering Vessel
JOSUN supplied air conditioning, provision refrigeration and ventilation for Offshore Oil 292, a 126 m deepwater multi-purpose offshore engineering vessel.
Gezhouba: Battery Thermal Management for a 10,000-Tonne-Class Electric Vessel
JOSUN supplied liquid cooling units, cabinet air conditioners and dehumidifiers for the battery and electrical spaces of the Yangtze electric vessel Gezhouba.
Vista Aurora: Full HVAC&R System for a Yangtze River Cruise Ship
JOSUN designed, built and commissioned the air conditioning, ventilation and monitoring systems for Vista Aurora, a 150 m, 650-passenger Yangtze cruise ship.
Qingzhou V and VII: Air Conditioning for Offshore Wind Converter Stations
JOSUN supplied customized, corrosion-resistant air conditioning for the Qingzhou V and VII offshore wind converter stations, which sailed out in May 2026.
Guides
A Guide to Marine Dehumidifiers
Where ships and offshore sites need dehumidification, refrigerant vs desiccant units, explosion-proof cargo hold drying, and what to send with an enquiry.
How to Choose a Marine Air Conditioning System
Central chilled-water, direct-expansion, packaged or zoned: how shipyards and owners choose a marine air conditioning system, and what data a supplier needs.
How to Specify Marine Provision Refrigeration
How to specify a ship's provision refrigeration plant, cold rooms and fishing-vessel quick freezing: room data, sizing inputs, redundancy and enquiry checklist.
News
JOSUN at SMM 2026, Hamburg
JOSUN exhibited marine HVAC&R systems and its service network at SMM 2026 in Hamburg, 1–4 September 2026, and met owners, shipyards and design offices.
JOSUN at Posidonia 2026, Athens
JOSUN exhibited marine HVAC&R systems and its service network at Posidonia 2026 in Athens, 1–5 June 2026, Hall 3, stand 3.111.