ABS approves ammonia-based ship HVAC refrigerant system


The American Bureau of Shipping (ABS) has awarded Approval in Principle (AiP) to HD Hyundai Heavy Industries (HHI) for its new ammonia-based ship HVAC refrigeration system.

Developed in response to shipowners’ request for refrigeration of HVAC systems using ammonia, Hyundai’s system offers a more eco-friendly solution with zero ozone depletion potential (ODP) and a Global Warming Potential of zero, as per the American Society of Heating, Refrigerating and Air-Conditioning Engineers.

Panos Koutsourakis, ABS’ Vice-President of Global Sustainability, described the refrigeration system as an “exciting development” for the maritime industry’s decarbonisation quest to find sustainable solutions.

He continued, “ABS has always been a safety pioneer, so we are well placed to tackle the challenges on board and ashore presented by ammonia’s toxicity and flammability. ABS is committed to leading the industry in supporting ammonia’s safe adoption at sea.”

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