Freezers are appliances that freezes the substances introduced to it. There are different types of freezer available. Any appliance that keeps its inside temperature below freezing point can be generally called a freezer. The most commonly found one is the fridge freezers. Most of the fridges have build in freezers. That is generally used to freeze food items such as ice creams, meat and fish and certain medicines which are prescribed to be essentially stored in a temperature above a particular amount. Normally they maintain a temperature below the freeing point of water. The preferred temperature is about 35 and 38 degrees Fahrenheit or 1.7 to 3.3 degree Celsius. If it goes above may spoil too quickly. Anything lower to this will cause several freezing problems.

Freezers are not only found in fridges alone but also there are individual freezers available. They are most commonly used in places like super markets etc to store large amount of milk packets, ice creams, butter, cheese etc. it is used by export import sector in large scale for preserving easily perishable substances like fish, meat, milk products etc. furthermore, the diary industry uses it to preserve their various products. Freezers are also used by supermarkets for keeping vegetables and fruits fresh.  It is also used in airline industry to carry food and other necessary item for the flight travel.  Several small scale industries also use it though of different types. For example it is an unavoidable factor for an ice cream making company. Then the retail and whole sale fish and meat industry uses freezers according to their needs. An extremely different one is used by the ice factory. They are almost wholly linked to our lives that it is unimaginable to think of a life without it.