Automatic defrost - electric

Fridges and freezers with automatic defrost do not need to be manually defrosted as they periodically heat the cooling evaporator coil for a short period of time to melt any frost that has formed on it. For most lab freezers when the evaporator is being heated the temperature inside the lab freezer will also rise. A freezer with electric automatic defrost is unsuitable for the storage of temperature sensitive products.
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