Why You Need a Thermometer In Your Fridge?

Why You Need a Thermometer In Your Fridge?

Most refrigerators don’t show the actual temperatures. And yet you must always ensure that the temperature in your fridge is low enough to slow the growth of bacteria which cause food to go bad.

And that’s just one reason why you need a thermometer in your fridge.

Let’s examine this issue:

Refrigerator thermometers

Fridge thermometers measure temperatures as low as -400F and as high as 600F. You use them to measure temperatures in your freezer and refrigerator. The best thermometers are shatterproof and rustproof.

Why you need a fridge thermometer:

i) To prevent food poisoning

Most people don’t know this, but the temperature in your refrigerator should always be below 400F. At temperatures higher than that, bacteria will grow rapidly on your food.

In fact, these bacteria can double every 20 minutes. Perishable foods are especially dangerous in this regard.

Unfortunately, most refrigerators don’t indicate the actual temperatures. Their temperature settings show “high” or “low”. Most simply display a range of numbers.

With a fridge thermometer, you can ensure your fridge is always running at the prescribed temperature.

While 400F is the advised temperature for the refrigerator, freezers should be kept at temperatures below 00F.

ii) Power blackouts

Never open the fridge or freezer during a power outage unless you have to. Doing so will only let the warm air in which will raise temperatures in the unit and accelerate the rate of bacterial growth, causing your food to go bad.

Instead, wait until the power is back. Use your fridge thermometer to check the temperature. If it’s still below 400F, good, your food is okay.

If the power outage has lasted a long while, and the thermometer indicates that temperatures are above the 400F threshold, you should throw away that food, especially perishables like milk.

iii) To find the coolest spot

The areas within the fridge are not uniformly cool or warm. You should always put perishable foods like milk, meat, eggs, and fish in the coldest spots in your refrigerator. Unfortunately, it’s difficult to know these spots by guessing.

Having a fridge thermometer will allow you to test temperatures in different parts of the refrigerator.

You can then develop a precise idea of which items to put where. The back spots of the fridge or freezer are colder than the spots at the front.

iv) To prevent unwanted freezing

A refrigerator thermometer enables you to adjust the temperature within the fridge if it’s too cold. Temperatures below 320F are sufficient to freeze liquids in the refrigerator.

The thermometer will alert you that the temperature is too low, and you will promptly adjust to the optimum level to prevent your milk from freezing.

v) Inaccuracy of the fridge

Manufacturers often give recommendations on which temperatures to use when running the refrigerator. But sometimes these are inaccurate, for instance with cheap appliances.

The fridge thermometer will eliminate the sense of uncertainty, enabling you to be more confident when using the unit.

vi) Troubleshooting

Having a fridge thermometer will enable you to quickly diagnose your unit when it has a problem. For instance, when the fridge does not cool or stops operating.

If you have a thermometer, you will know within a short time if the fridge is still operating correctly. As a result, you begin troubleshooting and repair before the food starts to go bad.

And if you leave the thermometer in the refrigerator, you can determine afterward how long the unit has been off. And if the temperature is above 400F, you will have avoided possible food poisoning.

vii) Changes in weather

Fluctuations in the weather affect the temperatures of the refrigerator. When the weather becomes excessively hot, you should adjust the thermostat to lower temperatures.

A fridge thermometer will alert you when temperatures in the unit have begun to get warmer than you would wish them to be.

viii) Energy saving

Refrigerators tend to raise the utility bill quite a bit, especially because they run constantly. The fridge thermometer enables you to know when the unit is using more electricity than necessary.

For instance, if you use your thermometer and discover that temperatures are at 300F, it means the fridge is using excess power since all you need is a 400F reading. By adjusting the temperature, you can reduce the cost of power.

Final Verdict

Does your fridge have a thermometer? If no, you’ll definitely consider getting after reading its significant role in the above article.


  • Updated March 8, 2018
  • Ice
Click Here to Leave a Comment Below 1 comments
ElisT - October 20, 2017

Great article about fridge thermometers! I didn’t thought about the fact that you can save energy by checking the temperature in the firdge!

Thanks for this great tips!

Kind regards


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