Talk:Frost free
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A frost free refrigerator or freezer incorporates technology to keep the unit from icing up.
The mechanism on a refrigerator involves letting the cooling element heat up for a short period melting any ice that has formed upon it and having it drain through a collecting duct at the back of the unit.
On a freezer dry air is circulated around the cabinet using fans. The cooling elements are separated from the main cabinet space, allowing them to be heated for short periods to dispose of any ice forming.
