6 Best Freezer Alarm Reviews for 2022


How often do we leave the door of our refrigerators or freezers open after using it? It’s easily done. Doing so once or twice, isn’t a problem. But, over a longer period of time it can add up, leading to harm of the refrigerator’s compressor and result in wasted electricity too.

Freezer alarm gleans us about these issues, which can create a considerable impact, positively, to the environment. While many alarms function as an emergency locator device, there are many alarms, which helps us keep a check on the temperature and fix them manually, as per our convenience.

Be it a household’s or a restaurant’s; every kitchen requires an alarm for a freezer or refrigerator’s best functioning. Medical facilitators, too, need these alarms to prevent the medical dosages from spoilage—a product that is so widely required motivated us to look into the matter.

Freezer alarms, though specifically are purchased for use in freezers, can be used extensively in various other areas like the living room, bedroom, hospital wards etc. 

In which case, we have tried, tested and reviewed a list of best freezer alarms according to customer reviews online and shared our own thoughts on their performance, below.

Best Freezer Alarms: Our Top 6 Picks

When you opt for premium safety in every other appliance at home, why disregard the freezer. Whether for any malfunction or other misses, there can be situations where your freezer temperature may rise above the permitted or safe levels. And trust me, you do not want that to happen, especially with kids around.

But there’s nothing to get worked up already, as the market is flooded with freezer alarms from the most cost-effective to premium ones. To save your efforts for a thorough, we have listed a few of the most trusted and best-reviewed freezer alarms that’s currently available on the market. Have a look:

1. Fisher Scientific Traceable Freezer Thermometer with alarm


This freezer alarm’s probe is sealed in a glycol solution. When the refrigerator’s door is left open, the probe insulates and hence, the function. It’s specifically built to store medicines and vaccines, which is evident with the given 5 mL bottle, which fits in any size of the tray.

It comes with a digital screen that reads the temperature received by the sensor. The memory monitor keeps a record of minimum and maximum temperature for any time set up by the user manually. The range of the probe is -50 °c to 70 °c (-58 °F to 158 °F). 

Fisher Scientific specifically brings products to those in the medical fields or those dealing with chemicals. So, it’s best if you’re a medical facilitator, a chemist, or a chemical business/shop owner.

However, it can be used for household or personal purposes. It requires a 1AA battery to work, which means power consumption is not an issue. The device has three buttons to adjust the minimum and maximum temperature and the mode of the alarm. No adapters or chargers are required for its operation.

The device is NIST certified and has a certification of calibration, but it needs to be recertified every year, whereby the user has to send the device to the company. It has a wall bracket attachment, a magnetic strip, and velcro strips for easy installation. The product’s weight is about 317.51 g, and the dimensions are 4.25 x 2.75 x 0.75 inches.


  • It is perfect for the research companies that deal with chemicals, vaccines, and other medicine-based industries
  • Accurate reading promotes the extensive use of the product
  • Can be used to check A/C thermostat, room temperature, etc. apart from the freezer
  • Temperature can be monitored easily


  • The complaint of wire dysfunction was recorded in some products

2. CDN TA20 Audio Visual Refrigerator Freezer Alarm


This audiovisual refrigerator freezer alarm comes with an audio alarm technology. The audio alarm buzzes when the refrigerator reaches 46 °F, and the freezer reaches 15 °F. This is a kitchen specific thermometer alarm as the temperature is pre-set in the device.

It is made up of sturdy ABS plastic material, assuring more extended durability of the product and food safety at the same time. It has a dual progress display, which makes the reading more comfortable. It has a 39-inch sensor cable with suction cups and Velcro tabs to ensure its fixity with the outside surface. It comes with a battery and a user manual. 

The LCD visual panel has flashing LED lights for apt visibility. If the fridge is left open, the green and red-light flash, and the alarm buzzes for 6 seconds every minute until the door is shut manually. The alert function can be switched on or off as per the user’s choice, and the thermometer would still function.

 CDN specifically manufactures kitchen-friendly products, and thus, the assurance remains with the product as well. It requires 2AAA batteries, which are included in the set. The set’s weight is about 75.98 g, and the dimensions are eight × 4.5 × 0.75 inches.


  • The material used (ABS) is food-friendly and sturdy.
  • The readings are pretty accurate, and the alarm system is reliable.
  • It is lightweight. Hence installation of the set is not much of an issue.
  • Food-safe material and can be used in the household as well as the restaurant’s kitchen. 


  • The temperature is pre-set, which limits the usage of the alarm
  • Alarm sound is not loud enough

3. Oria Refrigerator Thermometer With Audible Alarm


ORIA brings to its customers’ products that aim to ease their lifestyle. This freezer alarm comes with a wireless set of two sensors, which accurately measure the refrigerator’s and freezer’s temperature. It has a minimum and maximum temperature display, which updates every 24 hours, but it also has a button that can clear the data and clear the previously recorded temperatures.

The screen is divided into three parts, Alarm Sensor 1, Alarms Sensor 2, and Alarm Indoor. The maximum and minimum temperature can be set manually by the user. The indoor temperature range is -10 °C to 60 °C (14 °F to 140 °F), and the outdoor temperature range is -40 °C to 60 °C (-40 ℉ to 140 ℉). It is apt for use in home, kitchens, restaurants, bars, cafes, etc.

The update rate of the 1st sensor is 57 s, whereas that of the 2nd one is 67 s. It is a battery-run device (2 × AAA), apt for using a refrigerator (battery is not included with the set). For installation, there is a bracket, hanging hole, and a magnet attached at the back of the device, allowing the device to stand or hang as per the user’s convenience. The product’s weight is about 212. 7 g, and the dimensions are 4.25 x 2.75 x 0.75 inches.


  • The range of temperature can be manually set and, thus, can be used extensively
  • Pocket friendly and serves the value for money criteria aptly
  • The big screen and the temperature bifurcation shows the minimum and maximum temperature aptly
  • Installation process is easy with the integrated magnets, hanging hole, and the back’s brackets


  • The material might rust if exposed to a damp environment
  • The indicator might blur if the battery is low with no prior notice

4. Iapsales Refrigerator Freezer Thermometer Alarm


As the name suggests, this thermometer is easy to read with the LCD (5/8-inch numbers). Two-alarm setups are available in this set, maximum and minimum. The alarm will ring when the manually set maximum or minimum temperature is reached.

It comprises ABS/stainless steel, water-resistant, non-oxidizing (hence, apt for refrigerators, freezers, and incubators). It uses a standard AAA battery. The set also includes a 58-inch non-oxidizing wire for easy operation.

Additionally, Ipasales is providing 30 days money-back guarantee. If the device falls out of its function or the customer is not satisfied enough, the product will be taken back, and the cost will be refunded. The device has three mounting options: a flip-down stand, a magnet, and a key-shaped hole.

It has an adjustable button for setting up the Celsius or Fahrenheit temperature. The alarm can be programmed at a 1 ° increment. The temperature range of this device is -58° to 158°F (-50° to 70°C). The product’s weight is 9.98 grams, and the dimensions are 0.62 x 1.5 x 2.7 inches.


  • The battery life is longer than expected, hence energy-efficient and pocket friendly
  • Serves the value for money criteria
  • Non-corroding material hence can be used extensively


  • Complaints of frost freezing around the cords were registered
  • The wire becomes a problem while opening or closing the door of the freezer or refrigerator

5. Brannan Digital Freezer Thermometer with Alarm


The Brannan Digital Freezer Thermometer with Alarm is an ideal thermometer and alarm alert as it has a built-in alarm that buzzes as soon as the temperature drops. It is easy to use for setting the maximum and minimum temperature, in a room or a refrigerator, with the given a clean design. Also, both Fahrenheit and Celsius readings can be observed through the device. This product requires a battery of 1 × AAA, which is supplied with the device itself.

The battery life is approximately one year. In the case a door does not shut correctly, it buzzes immediately, producing a loud sound so that it can be heard from a distance. It comes with a cable with a length of approximately 2 m. Brannan assures the quality of the product and, hence, value for money. It also ensures full customer service support if a person requires help while installation or any other processes related to the alarm. The temperature range of the product is-10 °C to 50 °C (internal) and -50°C to 70°C.

It provides a resolution of 0.1 c. The sampling rate is 10 seconds (the amount of time required to read a given environment). The accuracy of the device is +/-1 °c. It is white, which can go with any refrigerator (only if you’re concerned enough about your kitchen décor). The device’s weight is about 9.07 grams, and the size is 4.2 x 3.2 x 1.4 inches.


  • Temperature reading is easy, and the setting is adjustable 
  • Apt for refrigerators in houses or pantry
  • Loud sound indicator, which makes it a quality product


  • The wire is too small to be used
  • Installation is a considerable challenge

6. Cooyeah Freezer Thermometer and Alarm


The Cooyeah Freezer Alarm comes with a vibrant blue and red temperature reader with a dial attached to its center. This clock-like device is large enough for providing a quick, clear, and easy read.

It is made up of stainless steel; therefore, it serves the quality of a spill-proof, waterproof, and corrosion-free alarm. It can be installed in two ways, the broad flat base to place on a flat surface and the hook for hanging. It is safe for food and has the least reactions with chemicals.

A pack of 4 thermometer alarms is available at a small price. It is apt for use in a freezer and indicates the apt temperature and how much more or less it is than the set parameters. The size of the dial is 2 inches approximately. The device’s dimensions are 11.14 x 4.72 x 2.44 inches, and weight is about 173 grams.


  • It has a vibrant view and accessible read technology
  • It’s excellent for adjusting the optimum temperature
  • It is pretty affordable because, at a minimal cost, it is providing four alarms


  • Problem of inaccurate reading of temperature was noticed
  • Cannot be used for a purpose other than a freezer alarm

Buyer’s Guide for Best Freezer Alarm

While buying a freezer alarm, there are various qualities to consider, including accuracy, size, temperature range, price, energy consumption, etc. Below we’ve highlighted some of the most important factors for you to consider before starting your search.

FREEZER ALARM Accuracy and Temperature Range

The temperature reader of the alarm must be accurate with no faulty readings. The alarm’s temperature sensor should not be disfigured; otherwise, it can adversely affect the freezer’s temperature. Also, the temperature range should be extensive for the usage of the customer’s given field. The accuracy rate of devices varies from one to other (for example, some freezers have +/-1°c accuracy rate while some fluctuate more). 

Freezer Alarm Power Consumption 

The freezer’s alarm should not be too power-consuming. These days some alarms require batteries to work, so the rate of changing the battery should not be too many. Also, battery-run alarms are factually less power consuming, which makes your choice of buying one easier. 


One of the most significant points is that the device should not be difficult to handle. The batteries changing process, temperature screening, and installation of these alarms should not be a challenge for the users.

The material used in these alarms should be moisture resistant, or it can turn out to be a disaster for the material stored in the freezer. If the alarm is available with a cord or wire, it should be long enough to connect it to the screen outside the freezer and the screen and should be the least obstruction while closing or opening the door of the fridge or freezer. 

are FREEZER ALARMs good Value for Money?

In our opinion, yes. They can prove to be a useful gadget for almost anyone, particularly those who suspect that they my have a malfunctioning freezer. Plus, Most freezer alarms are relatively cheap to purchase. So they prove to be an interesting gadget as an impulse buy, or simply if you’re having trouble with your refrigerator temperature. Without having to worry too much about whether it’ll change your life or not.


Yes, absolutely. The material used in making the alarm is completely non toxic, food-friendly and nonchemical reacting (as freezers are used to store medicines and chemicals, too).


Choosing the right freezer alarm can be confusing, considering how many different types and models there are available. But, with the given reviews and previews, we hope that we’ve given you a much better idea of what is available and what you should be looking for.

6 Best Freezer Alarm Reviews for 2022 1

Daniel Laney

Daniel Laney spent fourteen years working on appliances, such as refrigerators, and created Refrigerator Planet to give you an applicable, working knowledge on how to purchase, repair, and maintain your refrigerator. Daniel understands that the most-used appliance in your home is a big purchase and decision: this is your chance to draw off of his knowledge and experience, while getting the best recommendations you can find anywhere.