The 5th International Conference of Ammonia Refrigeration Technology will be held from May 9th u2013 11th 2013 in Ohrid, Macedonia. The organizers u2013 the International Institute of Refrigeration (IIR) and the Faculty of Mechanical Engineering at the University u201cSs. Cyril & Methodiusu201d in Skopje u2013 have now released a call for papers.