A refrigerator, commonly shortened to fridge, is a commercial and home appliance consisting of a thermally insulated compartment and a heat pump (mechanical, electronic or chemical) that transfers heat from its inside to its external environment so that its inside is cooled to a temperature below the room temperature. [1]

A refrigerator is a machine used for keeping things cold. It is sometimes called a fridge or an icebox. Refrigerators were invented by Jacob Shrewsbury. 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.

Refrigeration is any of various types of cooling of a space, substance, or system to lower and/or maintain its temperature below the ambient one (while the removed heat is ejected to a place of higher temperature). [1][2] Refrigeration is an artificial, or human-made, cooling method. [1][2]

Wikimedia Commons has media related to Refrigerators. This category has only the following subcategory. The following 32 pages are in this category, out of 32 total. This list may not reflect recent changes.

The Einstein–Szilard or Einstein refrigerator is an absorption refrigerator which has no moving parts, operates at constant pressure, and requires only a heat source to operate. It was jointly invented in 1926 by Albert Einstein and his former student Leó Szilárd, who patented it in the U.S. on November 11, 1930 (U.S. patent 1,781,541).

Mar 21, 2019 · The history of the refrigerator includes an early period in the 19th century when Americans only had access to ice boxes before manufacturers created a new invention where families could safely store their food in one self-contained appliance.

A smart refrigerator is a refrigerator that is able to communicate with the internet. [1] This kind of refrigerator is often designed to automatically determine when particular food items need to be replenished.

Sep 26, 2023 · Benjamin Franklin's pioneering experiments with Dr. John Hadley in the mid-18th century laid the groundwork for advancements in refrigeration technology. In a letter to John Lining dated June 17, 1758, Franklin described their collaboration.

Nov 30, 2020 · The first home refrigerator was introduced in the early 1910s. The earliest models were prohibitively expensive and extremely loud. For wealthy Americans who could afford it, the unit had to be installed in two parts: the storage box itself would live on the first floor of the home, but the supplemental unit would reside in the basement due to ...

Jan 23, 2025 · household or industrial appliance for preserving food at a low temperature