Refrigerators facts

• The first refrigerators weren't developed until the middle of the nineteenth century.
• Refrigerators were first used by the meat-packing and brewing industries.
• In 1748, William Cullen showed that compressed gas could cool the air.
• In 1855, American inventor, John Gorrie developed the first functional refrigerator.
• The first widely popular refrigerator line was Kelvinator, which had close to 80 percent of the market by 1923.
• A refrigerator maintains a temperature a few degrees above the freezing point of water.
• Current refrigerator models that qualify as Energy Star models use fifty percent less electricity than the same size and type of refrigerator used in 1993.
• Optimum temperature range for perishable food storage is 37 to 41 °F (3 to 5 °C).
• Most freezers operate around temperatures of −18 °C (0 °F).
• A refrigerator is sometimes referred to as an "icebox" or more commonly as "fridge".
• Most domestic refrigerators weigh between 91 kg (200 pounds) and 200 kg (450 pounds), with some models weighing up to 397 kg (875 pounds).