The Liebherr IKB 2750 has a better climate class than most comparable spec fridges that came out around the same time as it. This fridge has a T climate class, whereas most refrigerators that have been on the market for around the same time as it have a ST climate class. In addition, this refrigerator has a SN climate class.
A T climate class is actually the best climate class amongst all fridges that have been available for around the same time as this fridge.
Amongst comparable types of fridge the worst climate class is N (Normal).