What temperature should a supermarket freezer be?
David Craig
Updated on February 28, 2026
What temperature should a supermarket freezer be?
Freezers keep food safe for much longer periods, so they operate at much lower temperatures. They should operate at -18°C or colder (this means at least 18 degrees below freezing), and these must also be checked daily.
How cold is a supermarket fridge?
The operating temperature of a general storage fridge where a range of high-risk chilled food is stored must be set to operate at an air temperature of between 1°C and 4°C. This will ensure that high risk chilled food stored in the fridge can be maintained at a food temperature of 8°C or below (the legal requirement).
What temperature are supermarkets?
While UK guidelines recommend that supermarkets maintain a temperature of 19-21c (66-70f) in winter, and 21-23c (70-73f) in summer, the major chains are often far colder, because they refuse to put doors on all their freezers and chillers — claiming shoppers are put off by viewing food behind glass.
How cold do commercial freezers get?
Typical temperature ranges are from 35 degrees Fahrenheit to 41 degrees. Below 35 degrees a forced defrost cycle is needed to avoid freeze ups.
Is degrees cold enough for a freezer?
The recommended freezer temperature to keep your food safe is at or below 0°F (-18°C), but your freezer may need to be set higher or lower depending on its environment and other factors. The typical freezer factory setting on Whirlpool® refrigerators is a great starting point at the recommended 0°F (-18°C).
Is OK for freezer temp?
Your freezer temperature should be at 0°F (-18°C).
Why are grocery stores always so cold?
They’re designed to use “air curtains” that circulate the cold air in a way that keeps it in the case, but some cold air spills out anyway and gets replaced by the warmer ambient air. For everyone’s benefit we heat our store as needed, including the retail floor.
Why are supermarkets so cold?
As the weather warms up, people tend to wear (summer) clothes such as sundresses and shorts. Also keep in mind, stores are climate controlled, and with some really hot days on the way, you may want to consider bringing a sweater to the grocery store, that is if you get cold easy.
What is the coldest commercial freezer?
The ultra-low freezer at 70 below is a new low for the company and believed to be the coldest commercial freezer of its size in the country. The freezer was built inside of a 58,000-square-foot zero-degree freezer to help reduce the introduction of humidity.
What is the coldest freezer you can buy?
Low-temperature laboratory freezers can achieve temperatures of about -40° C or lower. Low-temperature laboratory freezers can achieve temperatures of about -40° C or lower. Kitchen freezers, by contrast, operate to about -20° C. The temperature “sweet spot” for lab freezers is about -85° C.
Is 20 degrees OK for a freezer?
Keep your freezer at zero degrees (0°F) or below to maintain the quality of frozen foods. Most foods will maintain good quality longer if the freezer temperature is -10°F to -20°F. Even foods stored properly will lose color, texture, flavor and nutritional quality but will not cause food-borne illness.
What should the temperature of the freezer be to freeze food?
The ideal freezer temperature is 0 Fahrenheit (-18 Celsius) for all food storage. And -10 Fahrenheit (-23 Celsius) is recommended to quickly freeze food. So your ideal freezer temperature is the depends on if you are freezing or storing food.
How to keep your freezer set to the right temp?
More Tips for Optimal Freezing 1 Defrost your freezer regularly, to keep it working efficiently (and prevent ice build-up from taking up valuable real estate!) 2 When adding food to the freezer, consider putting it in the back to encourage yourself to eat foods that have been frozen longer 3 Use a freezer thermometer to keep track of the temp
What should the temperature be in a freezer for ice cream?
Ice cream freezers are set to -18 to -22 degrees Celsius. Frozen protein and veggies is set -5 to -12 degrees celsius. Ice is usually about 0 to -7 degrees Celsius.
How can you tell if food is safe in the freezer?
If an appliance thermometer was kept in the freezer, check the temperature when the power comes back on. If the freezer thermometer reads 40°F or below, the food is safe and may be refrozen. If a thermometer has not been kept in the freezer, check each package of food to determine its safety. You can’t rely on appearance or odor.
The ideal freezer temperature is 0 Fahrenheit (-18 Celsius) for all food storage. And -10 Fahrenheit (-23 Celsius) is recommended to quickly freeze food. So your ideal freezer temperature is the depends on if you are freezing or storing food.
More Tips for Optimal Freezing 1 Defrost your freezer regularly, to keep it working efficiently (and prevent ice build-up from taking up valuable real estate!) 2 When adding food to the freezer, consider putting it in the back to encourage yourself to eat foods that have been frozen longer 3 Use a freezer thermometer to keep track of the temp
Ice cream freezers are set to -18 to -22 degrees Celsius. Frozen protein and veggies is set -5 to -12 degrees celsius. Ice is usually about 0 to -7 degrees Celsius.
If an appliance thermometer was kept in the freezer, check the temperature when the power comes back on. If the freezer thermometer reads 40°F or below, the food is safe and may be refrozen. If a thermometer has not been kept in the freezer, check each package of food to determine its safety. You can’t rely on appearance or odor.