Thinner walls on the fridge would mean greater internal volume. If volume is the only performance metric available, designs would tend towards something like th

Thinner walls on the fridge would mean greater internal volume. If volume is the only performance metric available, designs would tend towards something like that to maximise sales. That's all in theory though. I wonder if this could be a confusion arising from the use of heating coils to defrost the evaporator coil (auto-defrost). that's a different thing though.