Tip - How to Prevent Frost Buildup in a Freezer | eHow

Freezer frost can lead to unpleasant odors, freezer-burned food and limited storage space. Frost occurs when moisture in the air touches the frozen evaporator coils, condenses and then freezes. Frost-free freezers come with timed or temperature-controlled heating elements that turn on and melt the frost. Although this helps slow down frost...