A floor model is a piece of equipment placed in a retail shop's sales area for display purposes. Floor models are taken out of their packaging and displayed how they would be used.
Refrigerators vent heat out of the appliance in order to keep your food fresh. Refrigerators use a closed system that relies on refrigerant traveling in coils throughout the fridge. Refrigerant separates hot and cold air by absorbing the heat and carrying it away from the refrigerator's contents.
A refrigerator is a machine used for keeping things cold. It is sometimes called a fridge or an icebox. It is normally maintained at 4-5 degree Celsius for household use. People put food and drinks in it, to keep those items cold or good (unspoiled) for a longer time.