When frost is about 4mm thick (often after 4 to 6 months), remember to defrost your refrigerator using a plastic squeegee.
The presence of frost has the major consequence of increasing the temperature and altering the performance of the device.
So sure, it takes a bit of time to defrost the fridge or freezer but it's definitely worth it to save money.
By removing 4 mm thick frost in my refrigerator, I halve the consumption of my appliance! With a simple regular defrosting, I therefore save on my electricity bill and increase my purchasing power.
The rapid formation of frost is often due to faulty seals. So I'm thinking of checking the tightness of my refrigeration unit.