Dermot has worked in the refrigeration industry for 30 years in various capacities and has a wealth of both technical and practical refrigeration expertise. Dermot’s principal interests are in the design of more efficient refrigeration systems and troubleshooting of faulty, inefficient or unreliable equipment. He also has a wide experience of safety issues related to ammonia and carbon dioxide systems. He has published many papers for the International Institute of Refrigeration on the subject of ammonia refrigeration.