This 48 liter refrigerator is very awesome regarding cooling efficiency and this is because of its air flow vents that circulate cooled air round the fridge so that every corner is cooled properly, and the freezing function is superb. Yes it cools extraordinarily fast and also has cooling retention which lasts for many, many hours. It has a ice maker in the freezer compartment which serves as a remedy to warm or hot drinks in a time of urgent need. No need to throw it into the refrigerator and wait for countless hours, just grab the ice tray and take the ice block out of it and cool your drink down.