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2. European Union energy label - Wikipedia

   en.wikipedia.org/wiki/European_Union_energy_label

   For refrigerating appliances, such as refrigerators, freezers, wine-storage appliances, and combined appliances, the labelling is specified in terms of an energy efficiency index EEI, which is an indication of the annual power consumption relative to a reference consumption that is based on the storage volume and the type of appliance (refrigerator or freezer).

3. Refrigerator - Wikipedia

   en.wikipedia.org/wiki/Refrigerator

   Freezer units are used in households as well as in industry and commerce. Commercial refrigerator and freezer units were in use for almost 40 years prior to the common home models. The freezer-over-refrigerator style had been the basic style since the 1940s, until modern, side-by-side refrigerators broke the trend.

4. ULT freezer - Wikipedia

   en.wikipedia.org/wiki/ULT_freezer

   An ultra low temperature (ULT) freezer is a refrigerator that stores contents at −80 to −86 °C (−112 to −123 °F). [1] An ultra low temperature freezer is commonly referred to as a "minus 80 freezer" or a "negative 80 freezer", referring to the most common temperature standard. [ 2 ]

5. Coefficient of performance - Wikipedia

   en.wikipedia.org/wiki/Coefficient_of_performance

   The coefficient of performance or COP (sometimes CP or CoP) of a heat pump, refrigerator or air conditioning system is a ratio of useful heating or cooling provided to work (energy) required. [ 1 ] [ 2 ] Higher COPs equate to higher efficiency, lower energy (power) consumption and thus lower operating costs.

6. Cooling capacity - Wikipedia

   en.wikipedia.org/wiki/Cooling_capacity

   Cooling capacity is the measure of a cooling system's ability to remove heat. [1] It is equivalent to the heat supplied to the evaporator/boiler part of the refrigeration cycle and may be called the "rate of refrigeration" or "refrigeration capacity".

7. How long can my food last in the fridge after a power outage ...

   www.aol.com/lifestyle/long-food-last-fridge...

   Experts say it depends on the product, and whether it's in a refrigerator or freezer. Kaitlin Reilly. September 27, 2024 at 1:08 PM ... How long does food last in the fridge after the power is out?