The CTP 230 has a T climate class which is better than most small total net capacity fridge-freezers that have been available for around the same time as it. Most small total net capacity fridge-freezers that were released around the same time as it have a ST climate class. In addition, this Liebherr fridge-freezer has a SN climate class.
This fridge-freezer's climate class (T) is in fact the best climate class amongst all similar spec fridge-freezers that are older than a year.
A ST climate class is the worst climate class amongst similar types of fridge-freezer.