SINTEF scientist loaned out to design more environmentally-friendly air conditioning systems for extreme environments SINTEF scientist loaned out to design more environmentally-friendly air conditioning systems for extreme environments MKK (Mosjøen Kulde og Klimaservice) specialises in providing high temperature air conditioning systems that operate in extreme conditions, like the smelting industry. These systems are built to tolerate ambient temperatures of up to 90°C. MKK will now loan a SINTEF scientist to make their air conditioning systems more eco-friendly. Christian Schlemminger and Opeyemi Bamigbetan, who was an NTNU PhD candidate at the time. He now works for Gether AS in Oslo.