The freestanding Samsung RB31FERNBSS frost-free fridge-freezer has some great storage features, including a nifty sliding shelf and a dedicated chill compartment which you can set to 0°C to help preserve meat and fish. It also has an A+++ energy label so it should work out easy on your energy bills. But does this fridge-freezer chill food fast to help keep it fresher for longer? And is it really cheap to run? Read our review to find out.