Teknotherm Refrigeration at ONS 2016 On August 17, 2016 / In News Teknotherm Refrigeration AB, our subisidary company in Gothenburg, Sweden, will participate at ONS 2016 in Stavanger, Norway together with our owners Heinen & Hopman Group. The exhibition takes place from 29th. of August to 1st. of September 2016. You will find us at stand no. 6570, and we warmly welcome you to visit our stand. Here you will find further information about the exhbition.